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Calcium formate

Calcium formate, Ca(HCO2)2 (or. Ca(HCOO)2), is the calcium salt of formic acid, HCOOH. It is also known as food additive E238 in food industry. The mineral form is very rare and called formicaite. It is known from a few boron deposits. It may be produced synthetically by reacting calcium oxide or calcium hydroxide with formic acid.

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Further Information

Names

Systematic IUPAC nameCalcium methanoate

Other names

formic acid calcium salt, calcoform

Identifiers

CAS Number: 544-17-2

JSmol: Interactive image

ChemSpider: 10531

ECHA InfoCard: 100.008.058

EC Number: 208-863-7

E number: (preservatives)

KEGG: C18586

PubChem: 10997

RTECS number: LQ5600000

Properties

Chemical formula: Ca(HCO)22

Molar mass: 130.113 g/mol

Appearance: white powder

Odor: weak, caramel-like odor

Density: 2.009 g/cm

Melting point: decomposes at 300 °C

Solubility in water: 16.1 g/100 ml (0 °C)
16.6 g/100 ml (20 °C)
18.4 g/100 ml (100 °C)

Solubility: alcohol

Hazards

EU classification: not listed

NFPA 704:

Related compounds

anions: Calcium acetate

cations: Sodium formate

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).