Sodium formate

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White, slightly Hygroscopic crystals. Sodium formate is used as a neutral buffering agent. It is also used as a sequestering agent for trivalent metal ions, such as Chromium. Sodium formate is added to increase the fixation in chrome tanning baths.

Synonyms and Related Terms

Protan [Hercules]




  • ThermoFisher: SDS

Physical and Chemical Properties

Soluble in water (pH=7) and glycerol. Slightly soluble in ethanol. Insoluble in ether.

Composition CHOONa
CAS 141-53-7
Melting Point 253 C
Density 1.919 g/ml
Molecular Weight mol. wt. = 68.0

Resources and Citations

  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 343
  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • Matt Roberts, Don Etherington, Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology, U.S. Government Printing Office, Washington DC, 1982
  • 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 8765

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