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Potassium formate[1]
Potassium formate.png
IUPAC name
CAS number 590-29-4
PubChem 2735122
RTECS number LQ9625000
Molecular formula CHKO2
Molar mass 84.12 g mol−1
Appearance colorless crystals
Density 1.908 g/cm3
Melting point

167.5 °C, 441 K, 334 °F

Boiling point


Solubility in water 32.8 g/100 mL (0 °C)
657 g/100 mL (80 °C)
Solubility soluble in alcohol
insoluble in ether
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Potassium formate is the potassium salt of formic acid. It is an intermediate in the formate potash process for the production of potassium.[2] Potassium formate has also been studied as a potential environmentally-friendly deicing salt for use on roads.[3]


  1. ^ Olsen, J C (editor), Van Nostrand's Chemical Annual, Chapman and Hall, London, 1934
  2. ^ Concise Encyclopedia Chemistry, Mary Eagleson (1994), page 888. ISBN 9783110114515
  3. ^ Pasi P. Hellstén, Jani M. Salminen, Kirsten S. Jørgensen, and Taina H. Nystén (2005). Environ. Sci. Technol. 39 (13): 5095–5100. doi:10.1021/es0482738.  


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