Registration Dossier

Identification

Display Name:
Amorphous hydrothermal synthesis product of water, calcium oxide and quartz
Molecular formula:
Not applicable for UVCB substance
IUPAC Name:
Amorphous hydrothermal synthesis product of water, calcium oxide and quartz

Type of Substance

Composition:
UVCB
Origin:
inorganic

Substance Identifiers

Compositions

Boundary Composition(s) open all close all

State Form:
solid: nanoform


Constituent 1
Reference substance name:
X-ray amorphous phase
Molecular formula:
Not applicable (unknown amorphous phase)
IUPAC Name:
X-ray amorphous phase
Constituent 2
Chemical structure
Reference substance name:
Calcium carbonate
EC Number:
207-439-9
EC Name:
Calcium carbonate
CAS Number:
471-34-1
Molecular formula:
CH2O3.Ca
IUPAC Name:
calcium carbonate
Constituent 3
Chemical structure
Reference substance name:
Quartz (SiO2)
EC Number:
238-878-4
EC Name:
Quartz (SiO2)
CAS Number:
14808-60-7
Molecular formula:
O2Si
IUPAC Name:
silicon dioxide
Constituent 4
Chemical structure
Reference substance name:
Calcium dihydroxide
EC Number:
215-137-3
EC Name:
Calcium dihydroxide
CAS Number:
1305-62-0
Molecular formula:
CaH2O2
IUPAC Name:
calcium dihydroxide

Characterisation of nanoforms

Type of information reported:
single nanoform
Name of nanoform:
BC_CSH_nano

Shape

Shape description
Shape category:
elongated
Shape:
rod
Pure shape:
yes

Particle size distribution and range

Particle size distribution and range
Shape category:
elongated
Percentileopen allclose all
Percentile:
D10
Range:
> 1 - < 40 nm
Percentile:
D50
Range:
> 10 - < 60 nm
Percentile:
D90
Range:
> 50 - < 160 nm
Range of length:
> 50 - < 500 nm
Range of aspect ratio (:1):
>= 3 - <= 20
Fraction of constituent particles in the size range 1-100 nm:
>= 94 - < 100 %

Crystallinity

Structuresopen allclose all
Structure:
amorphous
Name:
X-ray amorphous phase
Pure structure:
no
Range:
>= 68.7 - <= 88.7 %
Structure:
crystalline
Name:
calcium carbonate (calcite)
Pure structure:
no
Range:
>= 2 - <= 8 %
Structure:
crystalline
Name:
calcium hydroxide (portlandite)
Pure structure:
no
Range:
>= 5 - <= 15 %
Structure:
crystalline
Name:
silicon dioxide (quartz)
Pure structure:
no
Range:
>= 4 - <= 7 %
Structure:
crystalline
Name:
xonotlite (mineral of the calcium silicate hydrate group)
Pure structure:
no
Range:
>= 0 - <= 1 %

Specific surface area

Range of specific surface area:
> 40 - <= 150 m²/g

Surface functionalisation / treatment

Surface treatment applied:
no

Legal Entity Composition(s) open all close all

State Form:
solid: nanoform


Constituent 1
Reference substance name:
X-ray amorphous phase
Molecular formula:
Not applicable (unknown amorphous phase)
IUPAC Name:
X-ray amorphous phase
Constituent 2
Chemical structure
Reference substance name:
Calcium carbonate
EC Number:
207-439-9
EC Name:
Calcium carbonate
CAS Number:
471-34-1
Molecular formula:
CH2O3.Ca
IUPAC Name:
calcium carbonate
Constituent 3
Chemical structure
Reference substance name:
Quartz (SiO2)
EC Number:
238-878-4
EC Name:
Quartz (SiO2)
CAS Number:
14808-60-7
Molecular formula:
O2Si
IUPAC Name:
silicon dioxide
Constituent 4
Chemical structure
Reference substance name:
Calcium dihydroxide
EC Number:
215-137-3
EC Name:
Calcium dihydroxide
CAS Number:
1305-62-0
Molecular formula:
CaH2O2
IUPAC Name:
calcium dihydroxide

Characterisation of nanoforms

Type of information reported:
single nanoform
Name of nanoform:
LE_CSH_nano

Shape

Shape description
Shape category:
elongated
Shape:
rod
Pure shape:
yes

Particle size distribution and range

Particle size distribution and range
Shape category:
elongated
Percentileopen allclose all
Percentile:
D10
Typical value:
10 nm
Range:
> 1 - < 40 nm
Percentile:
D50
Typical value:
24.1 nm
Range:
> 10 - < 60 nm
Percentile:
D90
Typical value:
65.7 nm
Range:
> 50 - < 160 nm
Typical length:
175.4 nm
Range of length:
> 50 - < 500 nm
Typical aspect ratio (:1):
7.4
Range of aspect ratio (:1):
>= 3 - <= 20
Additional information:
Values obtained from analysis of TEM images.
Fraction of constituent particles in the size range 1-100 nm:
>= 94 - < 100 %

Crystallinity

Structuresopen allclose all
Structure:
amorphous
Name:
X-ray amorphous phase
Pure structure:
no
Range:
>= 68.7 - <= 88.7 %
Structure:
crystalline
Name:
calcium carbonate (calcite)
Pure structure:
no
Range:
>= 2 - <= 8 %
Structure:
crystalline
Name:
calcium hydroxide (portlandite)
Pure structure:
no
Range:
>= 5 - <= 15 %
Structure:
crystalline
Name:
silicon dioxide (quartz)
Pure structure:
no
Range:
>= 4 - <= 7 %
Structure:
crystalline
Name:
xonotlite (mineral of the calcium silicate hydrate group)
Pure structure:
no
Range:
>= 0 - <= 1 %

Specific surface area

Typical specific surface area:
102 m²/g
Range of specific surface area:
> 40 - <= 150 m²/g

Surface functionalisation / treatment

Surface treatment applied:
no

Composition(s) generated upon use

Other types of composition(s)