Potassium propanoate

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Potassium propanoate
Potassium propionate.svg
Identifiers
CAS number 327-62-8 YesY
PubChem 23663619
ChemSpider 64232 N
EC number 206-323-5
Jmol-3D images Image 1
Properties
Molecular formula C3H5KO2
Molar mass 112.1689 g/mol
Appearance Colorless crystalline platelets[1]
Melting point >300 °C[1]
Solubility in water soluble[1]
Solubility in ethanol soluble[1]
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
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Infobox references

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

Use[edit]

It is used as a food preservative and is represented by the food labeling E number E283 in Europe[2] and by the INS number 283 in Australia and New Zealand.[3]

References[edit]

  1. ^ a b c d 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". Retrieved 2011-10-27.