[No public or meaningful name is available]

Substance identity

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

Compositions

Boundary Composition(s)

BC_CSH_nano

Nanoform

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

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

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

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

Percentile

Percentile 1

Percentile:

D10

Range:

> 1 - < 40 nm

Percentile 2

Percentile:

D50

Range:

> 10 - < 60 nm

Percentile 3

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

Structures

Structures 1

Structure:

amorphous

Name:

X-ray amorphous phase

Pure structure:

no

Range:

>= 68.7 - <= 88.7 %

Structures 2

Structure:

crystalline

Name:

calcium carbonate (calcite)

Pure structure:

no

Range:

>= 2 - <= 8 %

Structures 3

Structure:

crystalline

Name:

calcium hydroxide (portlandite)

Pure structure:

no

Range:

>= 5 - <= 15 %

Structures 4

Structure:

crystalline

Name:

silicon dioxide (quartz)

Pure structure:

no

Range:

>= 4 - <= 7 %

Structures 5

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)

LE_CSH_nano

Nanoform

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

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

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

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

Percentile

Percentile 1

Percentile:

D10

Typical value:

10 nm

Range:

> 1 - < 40 nm

Percentile 2

Percentile:

D50

Typical value:

24.1 nm

Range:

> 10 - < 60 nm

Percentile 3

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

Structures

Structures 1

Structure:

amorphous

Name:

X-ray amorphous phase

Pure structure:

no

Range:

>= 68.7 - <= 88.7 %

Structures 2

Structure:

crystalline

Name:

calcium carbonate (calcite)

Pure structure:

no

Range:

>= 2 - <= 8 %

Structures 3

Structure:

crystalline

Name:

calcium hydroxide (portlandite)

Pure structure:

no

Range:

>= 5 - <= 15 %

Structures 4

Structure:

crystalline

Name:

silicon dioxide (quartz)

Pure structure:

no

Range:

>= 4 - <= 7 %

Structures 5

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)