Chemistry:Potassium propanoate
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| 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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| 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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| 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
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
- ↑ 1.0 1.1 1.2 1.3 J. I. G. Cadogan, J. Buckingham, F. MacDonald: Dictionary of Organic Compounds: First Supplement. CRC Press, 1996, ISBN:978-0-412-54110-0
- ↑ UK Food Standards Agency: "Current EU approved additives and their E Numbers". http://www.food.gov.uk/safereating/chemsafe/additivesbranch/enumberlist. Retrieved 2011-10-27.
- ↑ Australia New Zealand Food Standards Code"Standard 1.2.4 - Labelling of ingredients". http://www.comlaw.gov.au/Details/F2011C00827. Retrieved 2011-10-27.
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