1668. Calcium Formate

Nomenclature

CAS number: 544-17-2
C2H2CaO4; mol wt 130.11.
C 18.46%, H 1.55%, Ca 30.80%, O 49.19%.
Ca(HCOO)2.

Description and references

Prepn from Ca(OH)2 and CO at high temp and pressure: Enderli, US 1920851; US 1995607 (1933, 1935 to Rudulf Koepp); Erasmus, Hamby, US 2913318 (1959 to Union Carbide); from CaCl2 and formic acid: Funk, Romer, Z. Anorg. Allg. Chem. 239, 288 (1938).

Properties

Orthorhombic crystals or cryst powder. Slight acetic acid-like odor. d 2.02. Sol in water, practically insol in alc.

Use

Preservative for food, silage; as binder for fine-ore briquets; in drilling fluids and lubricants.