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795445

Sigma-Aldrich

Calcium carbonate

anhydrous, free-flowing, Redi-Dri, ACS reagent, ≥99%

Linear Formula:
CaCO3
CAS Number:
Molecular Weight:
100.09
Beilstein:
8008338
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

Quality Level

grade

ACS reagent
anhydrous

product line

Redi-Dri

assay

≥99%

form

powder

quality

free-flowing

impurities

≤0.002 meq/g water-soluble titr. base
≤0.005% oxidizers
≤0.01% NH4OH pptd.
≤0.01% insol. dil. HCl

pH

8

solubility

H2O: insoluble

density

2.93 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤0.001%
fluoride (F-): ≤0.0015%
sulfate (SO42-): ≤0.01%

cation traces

Ba: ≤0.005%
Fe: ≤0.003%
K: ≤0.01%
Mg: ≤0.02%
NH4+: ≤0.003%
Na: ≤0.1%
Sr: ≤0.1%
heavy metals: ≤0.001% (by ICP-OES)

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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Packaging

2.5 kg in poly drum
1 kg in poly bottle
100, 500 g in poly bottle

Legal Information

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

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 Origin

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