Sodium sorbate

Sodium sorbate is the sodium salt of sorbic acid.

Sodium sorbate
IUPAC name sodium (2E,4E)-hexa-2,4-dienoate
Identifiers
CAS number	7757-81-5 N
PubChem	6433514
ChemSpider	4938659 Y
Jmol-3D images	Image 1
SMILES [Na+].[O-]C(=O)\C=C\C=C\C
InChI 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
Properties
Molecular formula	C6H7NaO2
Molar mass	134.10835 g·mol−1
Boiling point	233 °C
N (verify) (what is: Y/N?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Formula is NaC₆H₇O₂; systematic name is "sodium (E,E)-hexa-2,4-dienoate".

It is a food additive with E-number E201.