[No public or meaningful name is available]

Substance identity

Identification

Display Name:

Amorphous carbon and silicon dioxide recovered from two-stage pyrolysis of spent tyres

IUPAC Name:

Amorphous carbon and silicon dioxide recovered from two-stage pyrolysis of spent tyres

Type of Substance

Composition:

UVCB

Origin:

other: End-of-life tyres

Compositions

Boundary Composition(s)

Amorphous carbon and silicon dioxide recovered from two-stage pyrolysis of spent tyres

Nanoform

State Form:

solid: nanoform

Constituent 1

Reference substance name:

Carbon

EC Number:

231-153-3

EC Name:

Carbon

CAS Number:

7440-44-0

Molecular formula:

C

IUPAC Name:

Carbon

Constituent 2

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

Constituent 3

Reference substance name:

Zinc sulphide

EC Number:

215-251-3

EC Name:

Zinc sulphide

CAS Number:

1314-98-3

Molecular formula:

SZn

IUPAC Name:

thioxozinc

Constituent 4

Reference substance name:

Quartz (SiO2)

EC Number:

238-878-4

EC Name:

Quartz (SiO2)

CAS Number:

14808-60-7

Molecular formula:

SiO2

IUPAC Name:

Quartz

Constituent 5

Reference substance name:

Calcium oxide

EC Number:

215-138-9

EC Name:

Calcium oxide

CAS Number:

1305-78-8

Molecular formula:

CaO

IUPAC Name:

oxocalcium

Constituent 6

Reference substance name:

unknown constituents and/or impurities

IUPAC Name:

unknown constituents and/or impurities

Characterisation of nanoforms

Type of information reported:

single nanoform

This nanoform is covered by a registration:

yes

Name of nanoform:

Amorphous carbon and silicon dioxide recovered from two-stage pyrolysis of spent tyres

Shape

Shape description

Shape category:

spheroidal

Shape:

spherical

Pure shape:

yes

Typical composition:

<= 100 %

Range:

<= 100 %

Particle size distribution and range

Particle size distribution and range

Shape category:

spheroidal

Remarks:

Median (d(50)) size of 27.51 nm at the major axis and 23.62 nm at the minor axis. A median aspect ratio of 1.12 was determined, indicating the substance falls into the spheroidal shape category as defined by ECHA guidance on nanoforms.

Percentile

Percentile 1

Percentile:

D10

Range:

ca. 12.59 - ca. 14.27 nm

Percentile 2

Percentile:

D50

Range:

ca. 23.62 - ca. 27.51 nm

Percentile 3

Percentile:

D90

Range:

ca. 44.95 - ca. 52.27 nm

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

>= 0 - <= 100 %

Crystallinity

Structures

Structure:

amorphous

Name:

Amorphous carbon and silicon dioxide recovered from two-stage pyrolysis of spent tyres

Pure structure:

yes

Typical composition:

<= 100 %

Specific surface area

Range of specific surface area:

ca. 75 - ca. 76.5 m²/g

Range of volume specific surface area:

ca. 135 - ca. 137 m²/cm³

Skeletal density:

ca. 1.8 g/cm³

Surface functionalisation / treatment

Surface treatment applied:

no

Legal Entity Composition(s)

Amorphous carbon and silicon dioxide recovered from two-stage pyrolysis of spent tyres

Nanoform

State Form:

solid: nanoform

Constituent 1

Reference substance name:

Carbon

EC Number:

231-153-3

EC Name:

Carbon

CAS Number:

7440-44-0

Molecular formula:

C

IUPAC Name:

Carbon

Constituent 2

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

Constituent 3

Reference substance name:

Zinc sulphide

EC Number:

215-251-3

EC Name:

Zinc sulphide

CAS Number:

1314-98-3

Molecular formula:

SZn

IUPAC Name:

thioxozinc

Constituent 4

Reference substance name:

Quartz (SiO2)

EC Number:

238-878-4

EC Name:

Quartz (SiO2)

CAS Number:

14808-60-7

Molecular formula:

SiO2

IUPAC Name:

Quartz

Constituent 5

Reference substance name:

Calcium oxide

EC Number:

215-138-9

EC Name:

Calcium oxide

CAS Number:

1305-78-8

Molecular formula:

CaO

IUPAC Name:

oxocalcium

Constituent 6

Reference substance name:

unknown constituents and/or impurities

IUPAC Name:

unknown constituents and/or impurities

Characterisation of nanoforms

Type of information reported:

single nanoform

This nanoform is covered by a registration:

yes

Name of nanoform:

Amorphous carbon and silicon dioxide recovered from two-stage pyrolysis of spent tyres

Shape

Shape description

Shape category:

spheroidal

Shape:

spherical

Pure shape:

yes

Typical composition:

<= 100 %

Range:

<= 100 %

Particle size distribution and range

Particle size distribution and range

Shape category:

spheroidal

Remarks:

Median (d(50)) size of 27.51 nm at the major axis and 23.62 nm at the minor axis. A median aspect ratio of 1.12 was determined, indicating the substance falls into the spheroidal shape category as defined by ECHA guidance on nanoforms.

Percentile

Percentile 1

Percentile:

D10

Typical value:

14.27 nm

Range:

ca. 12.59 - ca. 14.27 nm

Percentile 2

Percentile:

D50

Typical value:

27.51 nm

Range:

ca. 23.62 - ca. 27.51 nm

Percentile 3

Percentile:

D90

Typical value:

52.27 nm

Range:

ca. 44.95 - ca. 52.27 nm

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

>= 0 - <= 100 %

Crystallinity

Structures

Structure:

amorphous

Name:

Amorphous carbon and silicon dioxide recovered from two-stage pyrolysis of spent tyres

Pure structure:

yes

Typical composition:

<= 100 %

Specific surface area

Typical specific surface area:

ca. 75.76 m²/g

Range of specific surface area:

ca. 75 - ca. 76.5 m²/g

Typical volume specific surface area:

136.368 m²/cm³

Range of volume specific surface area:

ca. 135 - ca. 137 m²/cm³

Skeletal density:

ca. 1.8 g/cm³

Surface functionalisation / treatment

Surface treatment applied:

no

Composition(s) generated upon use

Other types of composition(s)