Sodium sorbate is the sodium salt of sorbic acid. It is an unstable white solid. Unlike other sorbic acid salts such as potassium sorbate (E202) and calcium sorbate (E203), the use of sodium sorbate as a food additive is prohibited in the EU due to potentially genotoxic effects.[2][3]

Sodium sorbate
The sodium cation
The sodium cation
Names
Preferred IUPAC name
Sodium (2E,4E)-hexa-2,4-dienoate
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.028.927 Edit this at Wikidata
E number E201 (preservatives)
UNII
  • InChI=1S/C6H8O2.Na/c1-2-3-4-5-6(7)8;/h2-5H,1H3,(H,7,8);/q;+1/p-1/b3-2+,5-4+; checkY
    Key: LROWVYNUWKVTCU-STWYSWDKSA-M checkY
  • InChI=1/C6H8O2.Na/c1-2-3-4-5-6(7)8;/h2-5H,1H3,(H,7,8);/q;+1/p-1/b3-2+,5-4+;
    Key: LROWVYNUWKVTCU-ZCSOUONQBK
  • [Na+].[O-]C(=O)\C=C\C=C\C
Properties
C6H7NaO2
Molar mass 134.10835 g/mol
Odor hydrocarbon-like
Boiling point 233 °C (451 °F; 506 K)[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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Its E-number is E201.

References

edit
  1. ^ Datenbankeintrag bei Chemspider
  2. ^ EFSA Journal 2015
  3. ^ Erich Lück, Martin Jager, Nico Raczek (2000). "Sorbic Acid". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a24_507. ISBN 3527306730.{{cite encyclopedia}}: CS1 maint: multiple names: authors list (link)