silicon dioxide; synthetic amorphous silicon dioxide (nano)

General information

Identification

Display Name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Type of substance

Composition:

mono-constituent substance

Origin:

inorganic

Total tonnage band

Total range:

1 000 000+ tonnes per annum

REACH

Registered as:

FULL

Submitted:

Joint Submission

Publication dates

First published:

28-Oct-2009

Last modified:

25-Jun-2020

Chemical safety assessment

Performed for this substance:

YES

Compositions

Synthetic amorphous silica, precipitated

Type:

legal entity composition of the substance

State Form:

solid: nanoform

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Characterisation of nanoforms

Type of information reported:

single nanoform

Shape

Shape description

Shape category:

spheroidal

Shape:

spherical

Pure shape:

yes

Typical composition:

<= 100 %

Particle size distribution and range

Particle size distribution and range

Shape category:

spheroidal

Percentile

Percentile 1

Percentile:

D10

Typical value:

4.8 nm

Range:

> 1.4 - < 8.2 nm

Percentile 2

Percentile:

D50

Typical value:

7.9 nm

Range:

> 4.5 - < 11.3 nm

Percentile 3

Percentile:

D90

Typical value:

13.1 nm

Range:

> 9.7 - < 16.5 nm

Typical aspect ratio (:1):

1.3 :1

Range of aspect ratio (:1):

1.1 - 1.7

Fraction of constituent particles in the size range 1-100 nm:

>= 99 - <= 100 %

Crystallinity

Structures

Structure:

amorphous

Pure structure:

yes

Typical composition:

ca. 100 %

Specific surface area

Typical specific surface area:

237 m²/g

Range of specific surface area:

> 200 - < 300 m²/g

Surface functionalisation / treatment

Surface treatment applied:

no

Does the set contain both treated and non-surface treated nanoforms?:

no

silicon dioxide; synthetic amorphous silicon dioxide (nano);[This entry covers synthetic amorphous s ilicon dioxide as a nanomaterial in the form of stable aggregated particles of particle size > 1 μm, with primary particles of nanosize]

Type:

legal entity composition of the substance

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

SIlicon Dioxide Nano

Type:

legal entity composition of the substance

State Form:

solid: nanoform

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Characterisation of nanoforms

Type of information reported:

single nanoform

Shape

Shape description

Shape category:

spheroidal

Shape:

spherical

Pure shape:

yes

Range:

>= 99 - <= 100 %

Particle size distribution and range

Particle size distribution and range

Shape category:

spheroidal

Percentile

Percentile 1

Percentile:

D10

Range:

>= 1 - <= 100 nm

Percentile 2

Percentile:

D50

Range:

>= 1 - <= 100 nm

Percentile 3

Percentile:

D90

Range:

>= 1 - <= 100 nm

Range of length:

>= 1 - <= 100 nm

Range of lateral dimension 1:

>= 1 - <= 100 nm

Range of lateral dimension 2:

>= 1 - <= 100 nm

Range of aspect ratio (:1):

>= 1 - <= 1

Fraction of constituent particles in the size range 1-100 nm:

> 50 - <= 100 %

Crystallinity

Structures

Structure:

amorphous

Name:

amorphous

Pure structure:

yes

Range:

> 99.7 - <= 100 %

Specific surface area

Range of specific surface area:

>= 4 - <= 800 m²/g

Range of volume specific surface area:

>= 8.8 - <= 2 200 m²/cm³

Skeletal density:

>= 1.7 - <= 2.25 g/cm³

Surface functionalisation / treatment

Surface treatment applied:

no

Amorphous Silicon Dioxide - no surface treatment

Type:

legal entity composition of the substance

State Form:

solid: nanoform

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Characterisation of nanoforms

Type of information reported:

set of nanoforms

Shape

Shape description

Shape category:

spheroidal

Shape:

other: potato shape

Pure shape:

yes

Particle size distribution and range

Particle size distribution and range

Shape category:

spheroidal

Percentile

Percentile 1

Percentile:

D10

Range:

>= 7 - <= 50 nm

Percentile 2

Percentile:

D50

Range:

>= 9 - <= 67 nm

Percentile 3

Percentile:

D90

Range:

>= 13 - <= 100 nm

Fraction of constituent particles in the size range 1-100 nm:

>= 99.9 - <= 100 %

Crystallinity

Structures

Structure:

amorphous

Pure structure:

yes

Specific surface area

Typical specific surface area:

ca. 200 m²/g

Range of specific surface area:

>= 79 - <= 523 m²/g

Surface functionalisation / treatment

Surface treatment applied:

no

Does the set contain both treated and non-surface treated nanoforms?:

no

CAS-Name:Precipitated amorphous silica [CAS-No. 112926-00-8]

Type:

legal entity composition of the substance

State Form:

solid: bulk

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Silicone dioxide

Type:

legal entity composition of the substance

State Form:

solid: particulate/powder

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Silicon dioxide

Type:

legal entity composition of the substance

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

synthetic amorphous silica, nanostructured material

Type:

legal entity composition of the substance

State Form:

solid: nanoform

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Characterisation of nanoforms

Type of information reported:

set of nanoforms

Cross-reference

Reason / purpose:

justification for reporting set of similar nanoforms

Shape

Shape description

Shape category:

spheroidal

Shape:

other: 3-dimensional branched fractal aggregates

Pure shape:

yes

Range:

>= 99 - <= 100 %

Particle size distribution and range

Particle size distribution and range

Shape category:

spheroidal

Percentile

Percentile 1

Percentile:

D10

Range:

>= 1 - <= 20 nm

Percentile 2

Percentile:

D50

Range:

>= 20 - <= 45 nm

Percentile 3

Percentile:

D90

Range:

>= 45 - <= 80 nm

Fraction of constituent particles in the size range 1-100 nm:

> 50 - <= 100 %

Crystallinity

Structures

Structure:

amorphous

Name:

amorphous

Pure structure:

yes

Range:

> 99.7 - <= 100 %

Specific surface area

Range of specific surface area:

>= 50 - <= 200 m²/g

Surface functionalisation / treatment

Surface treatment applied:

no

Online dossier

Type:

legal entity composition of the substance

State Form:

solid: bulk

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Legal entitiy - Synthetic amorphous silicon dioxide, nanostructured material, silanized

Type:

legal entity composition of the substance

State Form:

solid: nanoform

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Characterisation of nanoforms

Type of information reported:

set of nanoforms

Cross-reference

Reason / purpose:

justification for reporting set of similar nanoforms

Shape

Shape description

Shape category:

spheroidal

Shape:

spherical

Pure shape:

yes

Range:

> 99 - <= 100 %

Particle size distribution and range

Particle size distribution and range

Shape category:

spheroidal

Percentile

Percentile 1

Percentile:

D90

Typical value:

ca. 14 nm

Range:

ca. 14 - ca. 14 nm

Percentile 2

Percentile:

D50

Typical value:

ca. 12 nm

Range:

>= 9 - ca. 15 nm

Percentile 3

Percentile:

D10

Typical value:

ca. 9 nm

Range:

ca. 9 - ca. 9 nm

Fraction of constituent particles in the size range 1-100 nm:

>= 50 - <= 100 %

Crystallinity

Structures

Structure:

amorphous

Pure structure:

yes

Range:

>= 99.7 - <= 100 %

Specific surface area

Range of specific surface area:

>= 105 - <= 135 m²/g

Surface functionalisation / treatment

Surface treatment applied:

yes

Does the set contain both treated and non-surface treated nanoforms?:

no

Silica

Type:

legal entity composition of the substance

State Form:

solid: particulate/powder

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Precipitated silica, crystalline free (CAS no. 112926-00-8)

Type:

legal entity composition of the substance

State Form:

solid: particulate/powder

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Precipitated Synthetic Amorphous Silica, nanostructured material without surface treatment

Type:

legal entity composition of the substance

State Form:

solid: nanoform

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Characterisation of nanoforms

Type of information reported:

set of nanoforms

Cross-reference

Reason / purpose:

justification for reporting set of similar nanoforms

Shape

Shape description

Shape category:

spheroidal

Shape:

other: 3-dimensional branched fractal aggregates

Pure shape:

yes

Typical composition:

> 99 %

Range:

> 99 - <= 100 %

Particle size distribution and range

Particle size distribution and range

Shape category:

spheroidal

Percentile

Percentile 1

Percentile:

D10

Range:

>= 4 - <= 10 nm

Percentile 2

Percentile:

D50

Range:

>= 10 - <= 25 nm

Percentile 3

Percentile:

D90

Range:

> 12 - <= 35 nm

Range of length:

>= 1 - <= 100 nm

Range of lateral dimension 1:

>= 1 - <= 100 nm

Range of lateral dimension 2:

>= 1 - <= 100 nm

Typical aspect ratio (:1):

ca. 1 :1

Fraction of constituent particles in the size range 1-100 nm:

> 95 - <= 100 %

Crystallinity

Structures

Structure:

amorphous

Name:

Amorphous

Pure structure:

yes

Range:

>= 99.7 - <= 100 %

Specific surface area

Range of specific surface area:

>= 44 - <= 330 m²/g

Range of volume specific surface area:

>= 96.8 - <= 726 m²/cm³

Skeletal density:

ca. 2.2 g/cm³

Surface functionalisation / treatment

Surface treatment applied:

no

Does the set contain both treated and non-surface treated nanoforms?:

no

synthetic amorphous silica, nanostructured material

Type:

boundary composition of the substance

State Form:

solid: nanoform

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Characterisation of nanoforms

Specific surface area

Range of specific surface area:

>= 4 - <= 1 000 m²/g

Surface functionalisation / treatment

Surface treatment applied:

no

silicon dioxide; synthetic amorphous silicon dioxide (nano)

Type:

legal entity composition of the substance

State Form:

solid: particulate/powder

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Synthetic Amorphous Silica (SAS)

Type:

legal entity composition of the substance

State Form:

solid: particulate/powder

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

QUARTRON PL

Type:

legal entity composition of the substance

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

synthetic amorphous silicon dioxide, nanostructured material, silanized

Type:

boundary composition of the substance

State Form:

solid: nanoform

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Characterisation of nanoforms

Type of information reported:

set of nanoforms

Cross-reference

Reason / purpose:

justification for reporting set of similar nanoforms

Shape

Shape description

Shape category:

spheroidal

Shape:

other: 3-dimensional branched fractal aggregates

Pure shape:

yes

Range:

>= 99 - <= 100 %

Particle size distribution and range

Particle size distribution and range

Shape category:

spheroidal

Percentile

Percentile 1

Percentile:

D10

Range:

>= 1 - <= 100 nm

Percentile 2

Percentile:

D50

Range:

>= 1 - <= 100 nm

Percentile 3

Percentile:

D90

Range:

>= 1 - <= 100 nm

Range of length:

>= 1 - <= 100 nm

Range of lateral dimension 1:

>= 1 - <= 100 nm

Range of lateral dimension 2:

>= 1 - <= 100 nm

Range of aspect ratio (:1):

>= 1 - <= 1

Fraction of constituent particles in the size range 1-100 nm:

> 50 - <= 100 %

Crystallinity

Structures

Structure:

amorphous

Pure structure:

yes

Range:

> 99.7 - <= 100 %

Specific surface area

Range of specific surface area:

>= 4 - <= 1 000 m²/g

Range of volume specific surface area:

>= 8.8 - <= 2 200 m²/cm³

Skeletal density:

>= 1.7 - <= 2.25 g/cm³

Surface functionalisation / treatment

Surface treatment applied:

yes

Does the set contain both treated and non-surface treated nanoforms?:

no

CAS-Name: Silica gel, precipitated [CAS-No. 112926-00-8]

Type:

legal entity composition of the substance

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

synthetic amorphous silicon dioxide gel precipitated [CAS-No. 112926-00-8]

Type:

legal entity composition of the substance

State Form:

solid: nanoform

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Characterisation of nanoforms

Specific surface area

Range of specific surface area:

>= 4 - <= 800 m²/g

Surface functionalisation / treatment

Surface treatment applied:

no

synthetic amorphous silicon dioxide, nanostructured material, silanized

Type:

boundary composition of the substance

State Form:

solid: nanoform

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Characterisation of nanoforms

Specific surface area

Range of specific surface area:

>= 4 - <= 1 000 m²/g

Surface functionalisation / treatment

Surface treatment applied:

yes

Surface treatments

Surface treatment name:

SAS Silanized

Surface treatment

Order:

#1

External layer:

hydrophobic

Percentage of coverage of particle surface, %:

>= 80 - < 100

CAS-Name: Silica gel, precipitated [CAS-No. 112926-00-8]

Type:

legal entity composition of the substance

State Form:

solid: nanoform

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Characterisation of nanoforms

Type of information reported:

single nanoform

Shape

Shape description

Shape category:

spheroidal

Shape:

spherical

Pure shape:

yes

Typical composition:

ca. 99.9 %

Range:

>= 99.9 - <= 100 %

Particle size distribution and range

Particle size distribution and range

Shape category:

spheroidal

Percentile

Percentile 1

Percentile:

D90

Range:

>= 750 - <= 850 nm

Percentile 2

Percentile:

D50

Range:

>= 300 - <= 400 nm

Percentile 3

Percentile:

D10

Range:

>= 150 - <= 200 nm

Fraction of constituent particles in the size range 1-100 nm:

>= 0 - <= 100 %

Crystallinity

Structures

Structure:

amorphous

Pure structure:

yes

Typical composition:

>= 99.9 %

Range:

>= 99.9 - <= 100 %

Specific surface area

Range of specific surface area:

>= 150 - <= 300 m²/g

Surface functionalisation / treatment

Surface treatment applied:

no

Silicon dioxide

Type:

legal entity composition of the substance

State Form:

solid: particulate/powder

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Silicon dioxide

Type:

legal entity composition of the substance

State Form:

solid: bulk

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

synthetic amorphous silicon dioxide, fumed [CAS-No. 112945-52-5]

Type:

legal entity composition of the substance

State Form:

solid: nanoform

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Characterisation of nanoforms

Specific surface area

Range of specific surface area:

>= 50 - <= 400 m²/g

Surface functionalisation / treatment

Surface treatment applied:

no

Silicon dioxide - silica LA300

Type:

legal entity composition of the substance

State Form:

solid: particulate/powder

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Silica

Type:

legal entity composition of the substance

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Silica

Type:

legal entity composition of the substance

State Form:

solid: nanoform

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Characterisation of nanoforms

Particle size distribution and range

Particle size distribution and range

Range of length:

>= 30 - <= 80 nm

Range of lateral dimension 1:

>= 30 - <= 80 nm

Range of lateral dimension 2:

>= 30 - <= 80 nm

Specific surface area

Range of specific surface area:

>= 50 - <= 150 m²/g

Surface functionalisation / treatment

Surface treatment applied:

no

Composition 29

Type:

legal entity composition of the substance

State Form:

liquid

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

CAS-Name: Silica, amorphous, fumed, crystalline-free [CAS-No. 112945-52-5]

Type:

legal entity composition of the substance

State Form:

solid: bulk

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Legal entitiy - Synthetic amorphous silicon sioxide, nanostructured material

Type:

legal entity composition of the substance

State Form:

solid: nanoform

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Characterisation of nanoforms

Type of information reported:

set of nanoforms

Cross-reference

Reason / purpose:

justification for reporting set of similar nanoforms

Shape

Shape description

Shape category:

spheroidal

Shape:

spherical

Pure shape:

yes

Range:

> 99 - <= 100 %

Particle size distribution and range

Particle size distribution and range

Shape category:

spheroidal

Percentile

Percentile 1

Percentile:

D90

Range:

>= 12.7 - <= 31 nm

Percentile 2

Percentile:

D50

Typical value:

ca. 9 nm

Range:

>= 3 - <= 29 nm

Percentile 3

Percentile:

D10

Range:

>= 7.4 - <= 11 nm

Fraction of constituent particles in the size range 1-100 nm:

>= 50 - <= 100 %

Crystallinity

Structures

Structure:

amorphous

Pure structure:

yes

Range:

>= 99.7 - <= 100 %

Specific surface area

Range of specific surface area:

>= 50 - <= 450 m²/g

Surface functionalisation / treatment

Surface treatment applied:

no

Does the set contain both treated and non-surface treated nanoforms?:

no

Silicon dioxide

Type:

legal entity composition of the substance

State Form:

solid: nanoform

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Characterisation of nanoforms

Particle size distribution and range

Particle size distribution and range

Range of length:

10 nm

Range of lateral dimension 1:

10 nm

Range of lateral dimension 2:

10 nm

231-545-4 Silicon Dioxide CEPSA

Type:

legal entity composition of the substance

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Silicon dioxide

Type:

legal entity composition of the substance

State Form:

solid: particulate/powder

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Silicon dioxide (fumed)

Type:

legal entity composition of the substance

State Form:

solid: bulk

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Standard composition

Type:

legal entity composition of the substance

State Form:

solid: bulk

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

silica

Type:

legal entity composition of the substance

State Form:

solid: bulk

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

CAS-Name: Silica gel, precipitated [CAS-No. 112926-00-8]

Type:

legal entity composition of the substance

State Form:

solid: bulk

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Silica, amorphous, pyrogenic, crystalline-free

Type:

legal entity composition of the substance

State Form:

solid: particulate/powder

Constituent 1

Reference substance name:

Silica, amorphous, pyrogenic, crystalline-free

CAS Number:

112945-52-5

Molecular formula:

O2Si

IUPAC Name:

Silica, amorphous, pyrogenic, crystalline-free

synthetic amorphous silica, nanostructured material

Type:

boundary composition of the substance

State Form:

solid: nanoform

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Characterisation of nanoforms

Type of information reported:

set of nanoforms

Cross-reference

Reason / purpose:

justification for reporting set of similar nanoforms

Shape

Shape description

Shape category:

spheroidal

Shape:

other: 3-dimensional branched fractal aggregates

Pure shape:

yes

Range:

>= 99 - <= 100 %

Particle size distribution and range

Particle size distribution and range

Shape category:

spheroidal

Percentile

Percentile 1

Percentile:

D10

Range:

>= 1 - <= 100 nm

Percentile 2

Percentile:

D50

Range:

>= 1 - <= 100 nm

Percentile 3

Percentile:

D90

Range:

>= 1 - <= 100 nm

Range of length:

>= 1 - <= 100 nm

Range of lateral dimension 1:

>= 1 - <= 100 nm

Range of lateral dimension 2:

>= 1 - <= 100 nm

Range of aspect ratio (:1):

>= 1 - <= 1

Fraction of constituent particles in the size range 1-100 nm:

> 50 - <= 100 %

Crystallinity

Structures

Structure:

amorphous

Name:

amorphous

Pure structure:

yes

Range:

> 99.7 - <= 100 %

Specific surface area

Range of specific surface area:

>= 4 - <= 1 000 m²/g

Range of volume specific surface area:

>= 8.8 - <= 2 200 m²/cm³

Skeletal density:

>= 1.7 - <= 2.25 g/cm³

Surface functionalisation / treatment

Surface treatment applied:

no

Composition 41

Type:

legal entity composition of the substance

silicon dioxide

Type:

legal entity composition of the substance

State Form:

solid: nanoform

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

silicon dioxide

Type:

legal entity composition of the substance

State Form:

solid: nanoform

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Characterisation of nanoforms

Particle size distribution and range

Particle size distribution and range

Range of length:

> 10 - < 30 nm

Specific surface area

Range of specific surface area:

154 m²/g

silicon dioxide/231-545-4/RCS-COSL Chemicals (Tian Jin),Ltd.

Type:

legal entity composition of the substance

State Form:

solid: particulate/powder

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

CAS-Name: Silica gel, precipitated [CAS-No. 112926-00-8] (1)

Type:

legal entity composition of the substance

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Legal entity composition

Type:

legal entity composition of the substance

State Form:

solid: particulate/powder

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

CAS-Name: Silica gel, precipitated [CAS-No. 112926-00-8]

Type:

legal entity composition of the substance

State Form:

solid: nanoform

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Characterisation of nanoforms

Type of information reported:

set of nanoforms

Cross-reference

Reason / purpose:

justification for reporting set of similar nanoforms

Shape

Shape description

Shape category:

spheroidal

Shape:

other: 3-dimensional branched fractal aggregates

Pure shape:

yes

Particle size distribution and range

Particle size distribution and range

Shape category:

spheroidal

Percentile

Percentile 1

Percentile:

D10

Range:

>= 1 - <= 100 nm

Percentile 2

Percentile:

D50

Range:

> 1 - <= 100 nm

Percentile 3

Percentile:

D90

Range:

> 1 - <= 100 nm

Fraction of constituent particles in the size range 1-100 nm:

> 50 - <= 100 %

Crystallinity

Structures

Structure:

amorphous

Name:

amorphous

Pure structure:

yes

Range:

> 99.7 - <= 100 %

Specific surface area

Range of specific surface area:

>= 50 - <= 650 m²/g

Surface functionalisation / treatment

Surface treatment applied:

no

legal entity composition - Synthetic amorphous silicon dioxide, nanostructured material, silanized

Type:

legal entity composition of the substance

State Form:

solid: nanoform

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Characterisation of nanoforms

Type of information reported:

set of nanoforms

Cross-reference

Reason / purpose:

justification for reporting set of similar nanoforms

Shape

Shape description

Shape category:

spheroidal

Shape:

other: open cellular network

Pure shape:

yes

Range:

> 99 - <= 100 %

Particle size distribution and range

Particle size distribution and range

Shape category:

spheroidal

Percentile

Percentile 1

Percentile:

D90

Range:

>= 2 - <= 2.5 nm

Percentile 2

Percentile:

D50

Range:

>= 1.5 - < 1.75 nm

Percentile 3

Percentile:

D10

Range:

>= 1 - <= 1.5 nm

Fraction of constituent particles in the size range 1-100 nm:

>= 50 - < 100 %

Crystallinity

Structures

Structure:

amorphous

Pure structure:

yes

Typical composition:

> 99.7 %

Specific surface area

Range of specific surface area:

>= 630 - <= 760 m²/g

Surface functionalisation / treatment

Surface treatment applied:

yes

Does the set contain both treated and non-surface treated nanoforms?:

no

CAS-Name: Silica, amorphous, fumed, crystalline-free [CAS-No. 112945-52-5]

Type:

legal entity composition of the substance

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

synthetic amorphous silica, nanostructured material

Type:

legal entity composition of the substance

State Form:

solid: nanoform

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Characterisation of nanoforms

Type of information reported:

set of nanoforms

Cross-reference

Reason / purpose:

justification for reporting set of similar nanoforms

Shape

Shape description

Shape category:

spheroidal

Shape:

other: 3-dimensional branched fractal aggregates

Pure shape:

yes

Range:

>= 99 - <= 100 %

Particle size distribution and range

Particle size distribution and range

Shape category:

spheroidal

Percentile

Percentile 1

Percentile:

D10

Range:

>= 1 - <= 100 nm

Percentile 2

Percentile:

D50

Range:

>= 1 - <= 100 nm

Percentile 3

Percentile:

D90

Range:

>= 1 - <= 100 nm

Range of length:

>= 1 - <= 100 nm

Range of lateral dimension 1:

>= 1 - <= 100 nm

Range of lateral dimension 2:

>= 1 - <= 100 nm

Range of aspect ratio (:1):

>= 1 - <= 1

Fraction of constituent particles in the size range 1-100 nm:

> 50 - <= 100 %

Crystallinity

Structures

Structure:

amorphous

Name:

amorphous

Pure structure:

yes

Range:

> 99.7 - <= 100 %

Specific surface area

Range of specific surface area:

>= 4 - <= 1 000 m²/g

Range of volume specific surface area:

>= 8.8 - <= 2 200 m²/cm³

Skeletal density:

>= 1.7 - <= 2.25 g/cm³

Surface functionalisation / treatment

Surface treatment applied:

no

Silicon dioxide

Type:

legal entity composition of the substance

State Form:

solid: particulate/powder

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Legal entity composition

Type:

legal entity composition of the substance

State Form:

solid: particulate/powder

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Amorphous Silicon Dioxide - inorganic treatment

Type:

legal entity composition of the substance

State Form:

solid: nanoform

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Characterisation of nanoforms

Type of information reported:

set of nanoforms

Shape

Shape description

Shape category:

spheroidal

Shape:

other: potato shape

Pure shape:

yes

Particle size distribution and range

Particle size distribution and range

Shape category:

spheroidal

Percentile

Percentile 1

Percentile:

D10

Range:

>= 5 - < 51 nm

Percentile 2

Percentile:

D50

Range:

>= 7 - < 69 nm

Percentile 3

Percentile:

D90

Range:

>= 10 - <= 103 nm

Fraction of constituent particles in the size range 1-100 nm:

>= 97 - <= 100 %

Crystallinity

Structures

Structure:

amorphous

Pure structure:

yes

Specific surface area

Typical specific surface area:

>= 200 m²/g

Range of specific surface area:

>= 79 - <= 523 m²/g

Surface functionalisation / treatment

Surface treatment applied:

yes

Does the set contain both treated and non-surface treated nanoforms?:

no

Surface treatments

Surface treatment name:

aluminusilicate modified

Surface treatment

Surface treatment 1

Order:

#1

Surface treatment 2

Order:

#2

External layer:

hydrophilic

Percentage of coverage of particle surface, %:

>= 5 - <= 100

Standard composition

Type:

legal entity composition of the substance

State Form:

solid: particulate/powder

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

silicon dioxide

Type:

legal entity composition of the substance

State Form:

solid: nanoform

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Characterisation of nanoforms

Specific surface area

Range of specific surface area:

ca. 295 m²/g

Surface functionalisation / treatment

Surface treatment applied:

no

synthetic amorphous silica

Type:

legal entity composition of the substance

State Form:

solid: particulate/powder

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

CAS-Name: Silica gel, precipitated [CAS-No. 112926-00-8]

Type:

legal entity composition of the substance

State Form:

solid: particulate/powder

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

silicon dioxide

Type:

legal entity composition of the substance

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Legal entitiy - Synthetic amorphous silicon sioxide, nanostructured material

Type:

legal entity composition of the substance

State Form:

solid: nanoform

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Characterisation of nanoforms

Type of information reported:

set of nanoforms

Cross-reference

Reason / purpose:

justification for reporting set of similar nanoforms

Shape

Shape description

Shape category:

spheroidal

Shape:

spherical

Pure shape:

yes

Range:

> 99 - <= 100 %

Particle size distribution and range

Particle size distribution and range

Shape category:

spheroidal

Percentile

Percentile 1

Percentile:

D90

Range:

>= 12.7 - <= 24 nm

Percentile 2

Percentile:

D50

Range:

>= 9.4 - <= 16 nm

Percentile 3

Percentile:

D10

Range:

>= 7.4 - <= 9 nm

Fraction of constituent particles in the size range 1-100 nm:

>= 50 - <= 100 %

Crystallinity

Structures

Structure:

amorphous

Pure structure:

yes

Range:

>= 99.7 - <= 100 %

Specific surface area

Range of specific surface area:

>= 75 - <= 420 m²/g

Surface functionalisation / treatment

Surface treatment applied:

no

Does the set contain both treated and non-surface treated nanoforms?:

no

CAS-Name: Silica gel, precipitated [CAS-No. 112926-00-8]

Type:

legal entity composition of the substance

State Form:

solid: bulk

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Precipitated Synthetic Amorphous Silica, nanostructured material without surface treatment

Type:

legal entity composition of the substance

State Form:

solid: nanoform

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Characterisation of nanoforms

Type of information reported:

set of nanoforms

Cross-reference

Reason / purpose:

justification for reporting set of similar nanoforms

Shape

Shape description

Shape category:

spheroidal

Shape:

other: 3-dimensional branched fractal aggregates

Pure shape:

yes

Typical composition:

> 99 %

Range:

> 99 - <= 100 %

Particle size distribution and range

Particle size distribution and range

Shape category:

spheroidal

Percentile

Percentile 1

Percentile:

D10

Range:

>= 4 - <= 10 nm

Percentile 2

Percentile:

D50

Range:

>= 10 - <= 20 nm

Percentile 3

Percentile:

D90

Range:

> 12 - <= 30 nm

Range of length:

>= 1 - <= 100 nm

Range of lateral dimension 1:

>= 1 - <= 100 nm

Range of lateral dimension 2:

>= 1 - <= 100 nm

Typical aspect ratio (:1):

ca. 1 :1

Fraction of constituent particles in the size range 1-100 nm:

> 95 - <= 100 %

Crystallinity

Structures

Structure:

amorphous

Name:

Amorphous

Pure structure:

yes

Range:

>= 99.7 - <= 100 %

Specific surface area

Range of specific surface area:

>= 70 - <= 330 m²/g

Range of volume specific surface area:

>= 154 - <= 726 m²/cm³

Skeletal density:

ca. 2.2 g/cm³

Surface functionalisation / treatment

Surface treatment applied:

no

Does the set contain both treated and non-surface treated nanoforms?:

no

Precipitated amorphous silica

Type:

legal entity composition of the substance

State Form:

solid: bulk

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Silicon dioxide - silica 300

Type:

legal entity composition of the substance

State Form:

solid: particulate/powder

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Silicon dioxide

Type:

legal entity composition of the substance

State Form:

other: solid

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Legal entitiy - Synthetic amorphous silicon dioxide, nanostructured material, silanized

Type:

legal entity composition of the substance

State Form:

solid: nanoform

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Characterisation of nanoforms

Type of information reported:

set of nanoforms

Cross-reference

Reason / purpose:

justification for reporting set of similar nanoforms

Shape

Shape description

Shape category:

spheroidal

Shape:

spherical

Pure shape:

yes

Range:

> 99 - <= 100 %

Particle size distribution and range

Particle size distribution and range

Shape category:

spheroidal

Percentile

Percentile 1

Percentile:

D90

Range:

>= 14 - <= 100 nm

Percentile 2

Percentile:

D50

Range:

>= 11 - <= 100 nm

Percentile 3

Percentile:

D10

Range:

>= 9 - <= 62 nm

Fraction of constituent particles in the size range 1-100 nm:

>= 50 - <= 100 %

Crystallinity

Structures

Structure:

amorphous

Pure structure:

yes

Range:

>= 99.7 - <= 100 %

Specific surface area

Range of specific surface area:

>= 20 - <= 280 m²/g

Surface functionalisation / treatment

Surface treatment applied:

yes

Does the set contain both treated and non-surface treated nanoforms?:

no

Synthetic amorphous silicon dioxide

Type:

legal entity composition of the substance

State Form:

solid: nanoform

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Characterisation of nanoforms

Type of information reported:

single nanoform

Shape

Shape description

Shape category:

spheroidal

Shape:

other: 3-dimensional branched fractal aggregates

Pure shape:

yes

Typical composition:

100 %

Particle size distribution and range

Particle size distribution and range

Shape category:

spheroidal

Percentile

Percentile 1

Percentile:

D10

Typical value:

12.7 nm

Range:

>= 1 - <= 15 nm

Percentile 2

Percentile:

D50

Typical value:

16.5 nm

Range:

>= 13 - <= 18 nm

Percentile 3

Percentile:

D90

Typical value:

20.1

Range:

>= 17 - <= 25 nm

Fraction of constituent particles in the size range 1-100 nm:

> 50 - <= 100 %

Crystallinity

Structures

Structure:

amorphous

Name:

amorphous

Pure structure:

yes

Typical composition:

> 99.7 %

Range:

> 99.7 - <= 100 %

Specific surface area

Typical specific surface area:

141.68 m²/g

Range of specific surface area:

>= 100 - <= 200 m²/g

Surface functionalisation / treatment

Surface treatment applied:

no

Silicon dioxide - silica 500

Type:

legal entity composition of the substance

State Form:

solid: particulate/powder

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

CAS-Name:Precipitated amorphous silica [CAS-No. 112926-00-8]

Type:

boundary composition of the substance

State Form:

solid: bulk

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Kieselgel

Type:

legal entity composition of the substance

State Form:

solid: particulate/powder

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Silica, amorphous, fumed, crystalline-free [CAS-No. 112945-52-5]

Type:

legal entity composition of the substance

State Form:

solid: particulate/powder

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

synthetic amorphous silica, nanostructured material_7631-86-9

Type:

legal entity composition of the substance

State Form:

solid: nanoform

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Characterisation of nanoforms

Type of information reported:

set of nanoforms

Cross-reference

Reason / purpose:

justification for reporting set of similar nanoforms

Shape

Shape description

Shape category:

spheroidal

Shape:

other: 3-dimensional branched fractal aggregates

Pure shape:

yes

Typical composition:

ca. 99.7 %

Range:

>= 99 - <= 100 %

Particle size distribution and range

Particle size distribution and range

Shape category:

spheroidal

Percentile

Percentile 1

Percentile:

D10

Typical value:

ca. 20 nm

Range:

>= 1 - <= 100 nm

Percentile 2

Percentile:

D50

Typical value:

ca. 40 nm

Range:

>= 1 - <= 100 nm

Percentile 3

Percentile:

D90

Typical value:

ca. 85 nm

Range:

>= 1 - <= 100 nm

Typical length:

ca. 40 nm

Range of length:

>= 1 - <= 100 nm

Typical lateral dimension 1:

ca. 40 nm

Range of lateral dimension 1:

>= 1 - <= 100 nm

Typical lateral dimension 2:

ca. 40 nm

Range of lateral dimension 2:

>= 1 - <= 100 nm

Typical aspect ratio (:1):

ca. 1 :1

Range of aspect ratio (:1):

>= 1 - <= 1

Fraction of constituent particles in the size range 1-100 nm:

> 50 - <= 100 %

Crystallinity

Structures

Structure:

amorphous

Name:

amorphous

Pure structure:

yes

Typical composition:

> 99.7 %

Range:

> 99.7 - <= 100 %

Specific surface area

Typical specific surface area:

ca. 528 m²/g

Range of specific surface area:

>= 4 - <= 1 000 m²/g

Typical volume specific surface area:

ca. 1 104 m²/cm³

Range of volume specific surface area:

>= 8.8 - <= 2 200 m²/cm³

Skeletal density:

>= 1.7 - <= 2.25 g/cm³

Surface functionalisation / treatment

Surface treatment applied:

no

SiO2

Type:

legal entity composition of the substance

State Form:

solid: particulate/powder

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

silicon dioxide (amorphous)

Type:

legal entity composition of the substance

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Silicon Dioxide

Type:

legal entity composition of the substance

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Legal entitiy - Synthetic amorphous silicon sioxide, nanostructured material

Type:

legal entity composition of the substance

State Form:

solid: nanoform

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Characterisation of nanoforms

Type of information reported:

set of nanoforms

Shape

Shape description

Shape category:

spheroidal

Shape:

spherical

Pure shape:

yes

Range:

> 99 - <= 100 %

Particle size distribution and range

Particle size distribution and range

Shape category:

spheroidal

Percentile

Percentile 1

Percentile:

D90

Range:

>= 12.7 - <= 31 nm

Percentile 2

Percentile:

D50

Typical value:

ca. 9 nm

Range:

>= 3 - <= 29 nm

Percentile 3

Percentile:

D10

Range:

>= 7.4 - <= 11 nm

Fraction of constituent particles in the size range 1-100 nm:

>= 50 - <= 100 %

Crystallinity

Structures

Structure:

amorphous

Pure structure:

yes

Range:

>= 99.7 - <= 100 %

Specific surface area

Range of specific surface area:

>= 50 - <= 430 m²/g

Surface functionalisation / treatment

Surface treatment applied:

no

Does the set contain both treated and non-surface treated nanoforms?:

no

Silica gel, precipitated [CAS-No. 112926-00-8]

Type:

legal entity composition of the substance

State Form:

solid: particulate/powder

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Silicon dioxide

Type:

legal entity composition of the substance

State Form:

solid: bulk

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Composition 78

Type:

legal entity composition of the substance

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Synthetic amorphous silica (SAS)

Type:

legal entity composition of the substance

State Form:

solid: particulate/powder

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

CAS-Name: Silica, amorphous, fumed, crystalline-free [CAS-No. 112945-52-5]

Type:

legal entity composition of the substance

State Form:

solid: particulate/powder

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Silicon Dioxide

Type:

legal entity composition of the substance

State Form:

solid: particulate/powder

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Silica, amorphous

Type:

legal entity composition of the substance

State Form:

solid: particulate/powder

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

boundary composition synthetic amorphous silica, bulk

Type:

boundary composition of the substance

State Form:

solid: bulk

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

JS composition

Type:

legal entity composition of the substance

State Form:

solid: particulate/powder

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

amorphous silica

Type:

legal entity composition of the substance

State Form:

solid: nanoform

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Characterisation of nanoforms

Particle size distribution and range

Particle size distribution and range

Range of length:

>= 13.9 - <= 17.8 nm

Range of lateral dimension 1:

>= 13.9 - <= 17.8 nm

Range of lateral dimension 2:

>= 13.9 - <= 17.8 nm

Surface functionalisation / treatment

Surface treatment applied:

no

Online dossier

Type:

legal entity composition of the substance

State Form:

solid: particulate/powder

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Online dossier

Type:

legal entity composition of the substance

State Form:

solid: nanoform

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

silica

Type:

legal entity composition of the substance

State Form:

solid: nanoform

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Characterisation of nanoforms

Type of information reported:

single nanoform

Shape

Shape description

Shape category:

spheroidal

Shape:

spherical

Pure shape:

yes

Typical composition:

>= 99 %

Range:

>= 95 - <= 100 %

Particle size distribution and range

Particle size distribution and range

Shape category:

spheroidal

Percentile

Percentile 1

Percentile:

D90

Typical value:

73 nm

Range:

>= 69 - <= 76 nm

Percentile 2

Percentile:

D10

Typical value:

34 nm

Range:

>= 29 - <= 39 nm

Percentile 3

Percentile:

D50

Typical value:

55 nm

Range:

>= 47 - <= 59 nm

Fraction of constituent particles in the size range 1-100 nm:

>= 99.9 - <= 100 %

Crystallinity

Structures

Structure:

amorphous

Name:

silica

Pure structure:

yes

Typical composition:

>= 99 %

Range:

>= 95 - <= 100 %

Specific surface area

Typical specific surface area:

143.8 m²/g

Range of specific surface area:

>= 136.5 - <= 152.4 m²/g

Surface functionalisation / treatment

Surface treatment applied:

no

Silicon dioxide - silica 900

Type:

legal entity composition of the substance

State Form:

solid: particulate/powder

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

synthetic amorphous silicon dioxide, nanostructured material, silanized

Type:

legal entity composition of the substance

State Form:

solid: nanoform

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Characterisation of nanoforms

Specific surface area

Range of specific surface area:

>= 4 - <= 800 m²/g

Surface functionalisation / treatment

Surface treatment applied:

yes

Surface treatments

Surface treatment name:

synthetic amorphous silicon dioxide, nanomaterial, silanized

Surface treatment

Surface treatment 1

Order:

#1

Surface treatment 2

Order:

#1

Surface treatment 3

Order:

#1

Surface treatment 4

Order:

#1

Surface treatment 5

Order:

#1

Surface treatment 6

Order:

#1

Surface treatment 7

Order:

#1

External layer:

hydrophobic

Percentage of coverage of particle surface, %:

>= 90 - < 100

Silica gel and precipitated silica, crystalline-free (CAS No. 112926-00-8)

Type:

legal entity composition of the substance

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Silica gel and precipitated silica, crystalline-free [CAS-No. 112926-00-8]

Type:

legal entity composition of the substance

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Amorphous Silicon Dioxide - organic treatment

Type:

legal entity composition of the substance

State Form:

solid: nanoform

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Characterisation of nanoforms

Type of information reported:

set of nanoforms

Shape

Shape description

Shape category:

spheroidal

Shape:

other: potato shape

Pure shape:

yes

Particle size distribution and range

Particle size distribution and range

Shape category:

spheroidal

Percentile

Percentile 1

Percentile:

D10

Range:

>= 7 - <= 47 nm

Percentile 2

Percentile:

D50

Range:

>= 9 - <= 63 nm

Percentile 3

Percentile:

D90

Range:

>= 13 - <= 100 nm

Fraction of constituent particles in the size range 1-100 nm:

>= 99.9 - <= 100 %

Crystallinity

Structures

Structure:

amorphous

Pure structure:

yes

Specific surface area

Typical specific surface area:

ca. 200 m²/g

Range of specific surface area:

>= 40 - <= 523 m²/g

Surface functionalisation / treatment

Surface treatment applied:

yes

Does the set contain both treated and non-surface treated nanoforms?:

no

Surface treatments

Surface treatment name:

silane derivatization

Surface treatment

Surface treatment 1

Order:

#1

Surface treatment 2

Order:

#2

External layer:

hydrophilic

Percentage of coverage of particle surface, %:

>= 55 - <= 90

Seahostar

Type:

legal entity composition of the substance

State Form:

solid: particulate/powder

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Synthetic amorphous silica, precipitated

Type:

legal entity composition of the substance

State Form:

solid: nanoform

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide

Characterisation of nanoforms

Type of information reported:

single nanoform

Shape

Shape description

Shape category:

spheroidal

Shape:

spherical

Pure shape:

yes

Typical composition:

<= 100 %

Particle size distribution and range

Particle size distribution and range

Shape category:

spheroidal

Percentile

Percentile 1

Percentile:

D10

Typical value:

1.9 nm

Range:

> 1 - < 3.8 nm

Percentile 2

Percentile:

D50

Typical value:

3.5 nm

Range:

> 1.8 - < 5.2 nm

Percentile 3

Percentile:

D90

Typical value:

6.2 nm

Range:

> 4.5 - < 7.9 nm

Typical aspect ratio (:1):

1.3 :1

Fraction of constituent particles in the size range 1-100 nm:

>= 99 - <= 100 %

Crystallinity

Structures

Structure:

amorphous

Pure structure:

yes

Typical composition:

ca. 100 %

Specific surface area

Typical specific surface area:

395 m²/g

Range of specific surface area:

> 300 - < 500 m²/g

Surface functionalisation / treatment

Surface treatment applied:

no

Does the set contain both treated and non-surface treated nanoforms?:

no

Synthetic emorphous silica

Type:

legal entity composition of the substance

Constituent 1

Reference substance name:

Silicon dioxide

EC Number:

231-545-4

EC Name:

Silicon dioxide

CAS Number:

7631-86-9

Molecular formula:

O2Si

IUPAC Name:

Silicon dioxide