Sodium sorbate

Sodium sorbate is the sodium salt of sorbic acid. Its formula is NaC6H7O2 and systematic name is sodium (E,E)-hexa-2,4-dienoate.

Sodium sorbate
The sodium cation
Names
Preferred IUPAC name
Sodium (2E,4E)-hexa-2,4-dienoate
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.028.927
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+; Y
    Key: LROWVYNUWKVTCU-STWYSWDKSA-M Y
  • 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).
N verify (what is YN ?)
Infobox references

It is a food additive with E-number E201.

Safety and health effects

Unlike other sorbic acid salts such as potassium sorbate (E202) and calcium sorbate (E203), the use of sodium sorbate as a food additive is not allowed in the EU due to potential genotoxic effects.[2]

References
  1. Datenbankeintrag bei Chemspider
  2. EFSA Journal 2015


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