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CX0120

Calcium carbonate

Name: Calcium carbonate
Brand: MM

Synonym(s):

Carbonic Acid Calcium Salt

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About This Item

Linear Formula:

CaCO₃

CAS Number:

471-34-1

Molecular Weight:

100.09

EC Index Number:

207-439-9

UNSPSC Code:

12352302

Beilstein/REAXYS Number:

8008338

MDL number:

MFCD00010906

Assay:

98-100.5% dry basis

Form:

powder

Solubility:

0.017 g/L

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Properties

assay

98-100.5% dry basis

Quality Level

200

form

powder

impurities

≤0.2% Acid-insoluble substances

loss

≤2% loss on drying

color

white

pH

9.5-10.5 (20 °C, 100 g/L in H₂O, slurry)

mp

825 °C (decomposition)

solubility

0.017 g/L

density

2.93 g/mL at 25 °C (lit.)

cation traces

Ba:, passes test, heavy metals (as Pb): ≤0.003%, magnesium and alkali salts (as sulfates): ≤1.0%

shipped in

ambient

storage temp.

room temp

SMILES string

[Ca++].[O-]C([O-])=O

InChI

1S/CH2O3.Ca/c2-1(3)4;/h(H2,2,3,4);/q;+2/p-2

InChI key

VTYYLEPIZMXCLO-UHFFFAOYSA-L

Description

Analysis Note

Acid-insoluble substances: 0.2% max
Assay (dried): 98-100.5%
Barium (Ba): To pass test
Color: White
Description: To pass test
Form: Powder
Heavy metals (as Pb): 0.003% max
Identification: To pass test
Loss on drying: 2.0% max
Magnesium and alkali salts: 1.0% max
Solubility: To pass test

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Storage Class

13 - Non Combustible Solids

wgk

nwg

flash_point_f

Not applicable

flash_point_c