Names | |
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Preferred IUPAC name
Potassium propanoate | |
Other names
Potassium propionate; E283
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Identifiers | |
3D model (
JSmol)
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ChemSpider | |
ECHA InfoCard | 100.005.749 |
EC Number |
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E number | E283 (preservatives) |
PubChem
CID
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UNII | |
CompTox Dashboard (
EPA)
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Properties | |
C3H5KO2 | |
Molar mass | 112.1689 g/mol |
Appearance | Colorless crystalline platelets [1] |
Melting point | >300 °C [1] |
soluble [1] | |
Solubility in ethanol | soluble [1] |
Except where otherwise noted, data are given for materials in their
standard state (at 25 °C [77 °F], 100 kPa).
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Potassium propanoate or potassium propionate has formula K(C2H5COO). Its melting point is 410 °C. It is the potassium salt of propanoic acid.
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]