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Calcium acetate

Calcium acetate is a chemical compound which is a calcium salt of acetic acid. It has the formula Ca(C2H3O2)2. Its standard name is calcium acetate, while calcium ethanoate is the systematic name. An older name is acetate of lime. The anhydrous form is very hygroscopic; therefore the monohydrate (Ca(CH3COO)2•H2O) is the common form.

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Further Information

Calcium acetate crystals

Names

IUPAC nameCalcium acetate

Other names

Acetate of lime
Calcium ethanoate
Calcium diacetate

Identifiers

CAS Number: 62-54-4

JSmol: Interactive image

Abbreviations: Ca(OAc)

ChEBI: CHEBI:3310

ChEMBL: ChEMBL1200800

ChemSpider: 5890

DrugBank: DB00258

ECHA InfoCard: 100.000.492

EC Number: 269-613-0

E number: (preservatives)

PubChem: 6116

RTECS number: AF7525000

UNII: Y882YXF34X

Properties

Chemical formula: C4H6CaO4

Molar mass: 158.17 g·mol

Appearance: hygroscopic

Odor: acetic acid

Density: 1.509 g/cm

Melting point: 160 °C (320 °F; 433 K) decomposition to CaCO + acetone3

Solubility in water: 37.4 g/100 mL (0 °C)
34.7 g/100 mL (20 °C)
29.7 g/100 mL (100 °C)

Solubility: methanol

K: 6.3-9.6

Magnetic susceptibility: -70.7·10 cm/mol−63

Refractive index: 1.55

Pharmacology

ATC code: WHOV03AE07

Hazards

NFPA 704:

Autoignition
temperature: 680 to 730 °C (1,256 to 1,346 °F; 953 to 1,003 K)

median dose: 4280 mg/kg (oral, rat)

Except where otherwise noted, data are given for materials in their(at 25 °C [77 °F], 100 kPa).Except where otherwise noted, data are given for materials in their(at 25 °C [77 °F], 100 kPa).