Calcium sorbate

Calcium sorbate
Names
	IUPAC name Calcium (2E,4E)-hexa-2,4-dienoate
Identifiers
CAS Number	7492-55-9;
3D model (JSmol)	Interactive image;
ChemSpider	4938651;
ECHA InfoCard	100.028.474
E number	E203 (preservatives)
PubChem CID	6433506;
	InChI InChI=1/2C6H8O2.Ca/c21-2-3-4-5-6(7)8;/h22-5H,1H3,(H,7,8);/q;;+2/p-2/b2*3-2+,5-4+; Key: MCFVRESNTICQSJ-AXDCTYHGBC;
	SMILES [Ca+2].O=C([O-])\C=C\C=C\C.[O-]C(=O)\C=C\C=C\C;
Properties
Chemical formula	C12H14CaO4
Molar mass	262.31516 g/mol
Solubility in water	very slightly soluble
Solubility	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).
	Infobox references

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

It is a commonly used food preservative; its E number is E203.

External links

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