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Potassium propanoate

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Potassium propanoate
Names
Preferred IUPAC name Potassium propanoate
Other names Potassium propionate; E283
Identifiers
CAS Number
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.005.749 Edit this at Wikidata
EC Number
  • 206-323-5
E number E283 (preservatives)
PubChem CID
UNII
CompTox Dashboard (EPA)
InChI
  • InChI=1S/C3H6O2.K/c1-2-3(4)5;/h2H2,1H3,(H,4,5);/q;+1/p-1Key: BWILYWWHXDGKQA-UHFFFAOYSA-M
  • InChI=1/C3H6O2.K/c1-2-3(4)5;/h2H2,1H3,(H,4,5);/q;+1/p-1Key: BWILYWWHXDGKQA-REWHXWOFAC
SMILES
  • CCC(=O).
Properties
Chemical formula C3H5KO2
Molar mass 112.1689 g/mol
Appearance Colorless crystalline platelets
Melting point >300 °C
Solubility in water soluble
Solubility in ethanol soluble
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). ☒N verify (what is  ?) Infobox references
Chemical compound

Potassium propanoate or potassium propionate has formula K(C2H5COO). Its melting point is 410 °C. It is the potassium salt of propanoic acid.

Use

It is used as a food preservative and is represented by the food labeling E number E283 in Europe and by the INS number 283 in Australia and New Zealand.

References

  1. ^ J. I. G. Cadogan, J. Buckingham, F. MacDonald: Dictionary of Organic Compounds: First Supplement. CRC Press, 1996, ISBN 978-0-412-54110-0
  2. UK Food Standards Agency: "Current EU approved additives and their E Numbers". Retrieved 2011-10-27.
  3. Australia New Zealand Food Standards Code"Standard 1.2.4 - Labelling of ingredients". 8 September 2011. Retrieved 2011-10-27.
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