398101
Sigma-Aldrich

Calcium carbonate

ACS reagent, chelometric standard, 99.95-100.05% dry basis basis

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Molecular Formula

CaCO₃

Molecular Weight

100.09

CAS Number

471-34-1

Beilstein Registry Number

8008338

MDL number

MFCD00010906

PubChem Substance ID

24864718

EG/EC Number

207-439-9

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Descriptions

Packaging

100, 500 g in glass btl

Properties

grade

ACS reagent

chelometric standard

assay

99.95-100.05% dry basis basis

total 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⁺: ≤0.03%

Na: ≤0.01%

Sr: ≤0.1%

heavy metals (as Pb): ≤0.001%

References

Merck

Merck 13,1658

Fieser

Fieser 1,103 / Fieser 2,57 / Fieser 4,67 / Fieser 5,89

reference

FT-IR 2 (3), 4728:A / FT-IR 1 (2), 1271:C / RegBook 1 (3), 3397:H / Sax 6, 618 / Sigma FT-IR 1 (2), 1018:A

Safety

Hazard Codes

Risk Statements

37/38-41

Safety Statements

26-36/37/39

WGK Germany

NWG

RTECS

FF9335000

Related Categories

... Routine Reagents > ACS Grade

... Salts > Calcium Salts

... Synthetic Reagents > Inorganic Bases

MSDS

Specification Sheet

Certificate of Analysis

More Information