Sodium fumarate

Sodium fumarate
Names

IUPAC name Disodium (E)-but-2-enedioate
Other names Disodium fumarate
Identifiers
CAS Number	7704-73-6^N
3D model (Jmol)	Interactive image
ChEBI	CHEBI:115156^N
ChemSpider	4895542^Y
ECHA InfoCard	100.037.337
PubChem	9734
InChI InChI=1S/C4H4O4.2Na/c5-3(6)1-2-4(7)8;;/h1-2H,(H,5,6)(H,7,8);;/q;2+1/p-2/b2-1+;;^Y Key: MSJMDZAOKORVFC-SEPHDYHBSA-L^Y InChI=1/C4H4O4.2Na/c5-3(6)1-2-4(7)8;;/h1-2H,(H,5,6)(H,7,8);;/q;2+1/p-2/b2-1+;; Key: MSJMDZAOKORVFC-HYKNURKJBY
SMILES [Na+].[Na+].[O-]C(=O)\C=C\C([O-])=O
Properties
Chemical formula	C₄H₂Na₂O₄
Molar mass	160.04 g/mol
Appearance	White powder
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

Sodium fumarate, also called disodium fumarate, is a compound with the molecular formula Na₂C₄H₂O₄. It is the sodium salt of fumaric acid, used as an acidity regulator in processed foods. Sodium fumarate and fumaric acid are sometimes used as terminal electron acceptors in the cultivation of certain anaerobic microorganisms. It appears as an odourless, white, crystalline powder and is soluble in water.

As a food additive, it has the E number E365.

References

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