Calcium formate
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Calcium formate is the calcium salt of formic acid. It is also known as E238. Under this E number it is used as an animal feed preservative within EU, but not in foods intended for people.[5]
Quick Facts Names, Identifiers ...
Names | |
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Preferred IUPAC name
Calcium diformate | |
Other names
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Identifiers | |
3D model (JSmol) |
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ChEBI | |
ChemSpider |
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ECHA InfoCard | 100.008.058 |
EC Number |
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E number | E238 (preservatives) |
KEGG |
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PubChem CID |
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RTECS number |
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UNII | |
CompTox Dashboard (EPA) |
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Properties | |
Ca(HCO2)2 | |
Molar mass | 130.113 g/mol |
Appearance | white-to-yellow crystals or crystalline powder[1] |
Odor | smells slightly like acetic acid[2] |
Density | 2.02 g/cm3[3] |
Melting point | decomposes at 300 °C[3] |
16.1 g/100 g (0 °C) 18.4 g/100 g (100 °C) | |
Solubility | insoluble in ethanol[3] methanol: 0.27 g/100 g (15 °C) 0.23 g/100 g (66 °C)[4] |
Hazards | |
GHS labelling: | |
Danger | |
H318 | |
P264, P280, P305+P351+P338, P310, P337+P313 | |
NFPA 704 (fire diamond) | |
Lethal dose or concentration (LD, LC): | |
LD50 (median dose) |
rats: 2640 mg/kg (oral), 154 mg/kg (IV)[4] |
Related compounds | |
Other anions |
Calcium acetate |
Other cations |
Sodium formate |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Calcium formate is stable at room temperature,[5] is inflammable and forms orthorhombic crystals.[2] The mineral form is very rare and called formicaite, and is known from a few boron deposits.