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CX0120

Supelco

Calcium carbonate

Synonym(s):
Carbonic Acid Calcium Salt
Linear Formula:
CaCO3
CAS Number:
Molecular Weight:
100.09
Beilstein:
8008338
MDL number:
EC Index Number:
207-439-9

Quality Level

assay

98-100.5% dry basis

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

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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

Storage Class Code

13 - Non Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

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Certificate of Quality

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