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CX0120

Supelco

Calcium carbonate

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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

Assay

98-100.5% dry basis

Quality Level

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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This Item
SX0400SX0395451614
Calcium carbonate

Supelco

CX0120

Calcium carbonate

Sodium carbonate anhydrous, granular, Meets ACS Specifications GR ACS

Supelco

SX0400

Sodium carbonate

Sodium carbonate anhydrous, powder, Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

Supelco

SX0395

Sodium carbonate

Sodium carbonate anhydrous, powder, 99.999% trace metals basis

Sigma-Aldrich

451614

Sodium carbonate

form

powder

form

powder

form

powder

form

powder

impurities

≤0.2% Acid-insoluble substances

impurities

≤0.01% Insoluble matter

impurities

≤0.01% Insoluble matter

impurities

≤15.0 ppm Trace Metal Analysis

pH

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

pH

11.16 (25 °C, 4 g/L in H2O)

pH

11.16 (25 °C, 4 g/L in H2O)

pH

-

mp

825 °C (decomposition)

mp

851 °C (lit.)

mp

851 °C (lit.)

mp

851 °C (lit.)

solubility

0.017 g/L

solubility

212.5 g/L

solubility

212.5 g/L

solubility

soluble 217 g/L at 20 °C (completely)

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


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