795445

Calcium carbonate

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

• Linear Formula: CaCO₃
• CAS Number: 471-34-1
• Molecular Weight: 100.09
• Beilstein: 8008338
• EC Number: 207-439-9
• MDL number: MFCD00010906
• PubChem Substance ID: 329768485
• NACRES: NA.21

Properties

• Quality Level: 200
• 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 (SO₄^2-): ≤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

Description

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

Safety Information

• Storage Class Code: 13 - Non Combustible Solids
• WGK: nwg
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable