Potassium ascorbate

Potassium ascorbate
Names
	Preferred IUPAC name Potassium (2R)-2-[(1S)-1,2-dihydroxyethyl]-4-hydroxy-5-oxo-2,5-dihydrofuran-3-olate
	Other names Monopotassium ascorbate; Potassium L-ascorbate
Identifiers
CAS Number	15421-15-5 ;
3D model (JSmol)	Interactive image;
ECHA InfoCard	100.035.832
E number	E303 (antioxidants, ...)
PubChem CID	23687519;
UNII	X5523762RI ;
CompTox Dashboard (EPA)	DTXSID80165560 ;
	SMILES OC1=C([O-])[C@]([C@@H](O)CO)([H])OC1=O.[K+];
Properties
Chemical formula	C6H7KO6
Molar mass	214.214 g·mol−1
Solubility in water	980 mg/mL
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
	(what is ?)
	Infobox references

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, New Zealand^[3] and the EU.

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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[1] 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.

[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.

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