Potassium ascorbate
Potassium ascorbate is a compound with formula KC6H7O6. It is the potassium salt of ascorbic acid (vitamin C) and a mineral ascorbate. As a food additive, it has E number E303, INS number 303. Although it is not a permitted food additive in the UK[2] or the USA, it is approved for use in Australia and New Zealand.[3]
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| Names | |
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| IUPAC name
Potassium (2R)-2-[(1S)-1,2-dihydroxyethyl]-4-hydroxy-5-oxo-2H-furan-3-olate | |
| Other names
Monopotassium ascorbate; Potassium L-ascorbate | |
| Identifiers | |
3D model (JSmol) |
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| ECHA InfoCard | 100.035.832  |
| E number | E303 (antioxidants, ...) |
PubChem CID |
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| UNII | |
CompTox Dashboard (EPA) |
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| Properties | |
| C6H7KO6 | |
| Molar mass | 214.214 g·mol−1 |
| 980 mg/mL[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 | |
References
- Burdoch, George A. (1997). Encyclopedia of food and color additives. Boca Raton, Florida: CRC Press. p. 207. ISBN 0-8493-9412-0. Retrieved 2012-09-30.
- UK Food Standards Agency: "Current EU approved additives and their E Numbers". Retrieved 2011-10-27.
- Australia New Zealand Food Standards Code"Standard 1.2.4 - Labelling of ingredients". Retrieved 2011-10-27.
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