Calcium sorbate

(Redirected from E203)

Calcium sorbate is the calcium salt of sorbic acid. Calcium sorbate is a polyunsaturated fatty acid salt.

Calcium sorbate
Names
Preferred IUPAC name
Calcium di[(2E,4E)-hexa-2,4-dienoate]
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.028.474 Edit this at Wikidata
E number E203 (preservatives)
UNII
  • InChI=1/2C6H8O2.Ca/c2*1-2-3-4-5-6(7)8;/h2*2-5H,1H3,(H,7,8);/q;;+2/p-2/b2*3-2+,5-4+;
    Key: MCFVRESNTICQSJ-AXDCTYHGBC
  • [Ca+2].O=C([O-])\C=C\C=C\C.[O-]C(=O)\C=C\C=C\C
Properties
C12H14CaO4
Molar mass 262.318 g·mol−1
Very slightly soluble
Solubility in other solvents Very slightly soluble in organic solvents, fats, and oils
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

It is a commonly used food preservative; its E number is E203, but it is no longer allowed to be used in the European Union.[1]

References

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  1. ^ foodnavigator.com (17 November 2017). "Calcium sorbate to be banned in EU". foodnavigator.com. Retrieved 2019-04-19.
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