Sodium sorbate

Sodium sorbate
	The sodium cation
Names
	IUPAC name sodium (2E,4E)-hexa-2,4-dienoate
Identifiers
CAS Number	7757-81-5 ;
3D model (JSmol)	Interactive image;
ChemSpider	4938659 ;
ECHA InfoCard	100.028.927
E number	E201 (preservatives)
PubChem CID	23665582;
UNII	TGW6Q2CCVM ;
CompTox Dashboard (EPA)	DTXSID8047181 ;
	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+; Key: LROWVYNUWKVTCU-STWYSWDKSA-M ; 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;
	SMILES [Na+].[O-]C(=O)\C=C\C=C\C;
Properties
Chemical formula	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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	Infobox references

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

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

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[chemspider-1] Datenbankeintrag bei Chemspider

[2] EFSA Journal 2015