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256501

Calcium carbonate

Name: Calcium carbonate
Brand: SIAL

ACS reagent, ≥99.0%, low in alkalies

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About This Item

Linear Formula:

CaCO₃

CAS Number:

471-34-1

Molecular Weight:

100.09

EC Number:

207-439-9

UNSPSC Code:

12352300

PubChem Substance ID:

24855531

Beilstein/REAXYS Number:

8008338

MDL number:

MFCD00010906

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Properties

grade

ACS reagent

assay

≥99.0%

impurities

≤0.01% NH₄OH pptd., ≤0.01% insol. dil. HCl

density

2.93 g/mL at 25 °C (lit.)

anion traces

chloride (Cl^-): ≤0.001%, fluoride (F^-): ≤0.0015%, sulfate (SO₄^2-): ≤0.005%

cation traces

Ba: ≤0.01%, Fe: ≤0.002%, K: ≤0.01%, Mg: ≤0.01%, NH₄⁺: ≤0.003%, Na: ≤0.01%, Sr: ≤0.1%, heavy metals (as Pb): ≤0.001%

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

Other Notes

A -D suffix exists for administrative purposes only.
All -D packages are 100% the same product, same quality, same specification as the package sizes previously sold without a -D.

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Storage Class

13 - Non Combustible Solids

wgk

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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