Calcium formate

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Colorless crystals or powder. Calcium formate is used as a preservative, as a buffer (pH 4) and in mineral tanning solutions.

Chemical structure

Calcium formate.jpg

Synonyms and Related Terms

calcium diformate; Calcoform


  • Ingestion, inhalation, and contact cause irritation.
  • Fisher Scientific: MSDS

Physical and Chemical Properties

Orthorhombic crystals. Slowly soluble in hot water (pH = 4). Insoluble in ethanol.

Composition CaC2H2O4
CAS 544-17-2
Melting Point 300 C
Density 2.02 g/ml
Molecular Weight mol. wt. = 130.11

Resources and Citations

  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • Van Nostrand's Scientific Encyclopedia, Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976
  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 1642