Potassium fumarate

Potassium fumarate
Names

IUPAC name dipotassium (E)-but-2-enedioate
Other names potassium fumarate, potassium (E)-butenedioate, Dipotassium fumarate, Fumaric acid, EINECS 223-979-8, 4151-35-3, 7704-72-5
Identifiers
CAS Number	7704-72-5^N
ChemSpider	4938656^Y
Jmol interactive 3D	Image
PubChem	6433511
InChI InChI=1S/C4H4O4.2K/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: SHPKCSFVQGSAJU-SEPHDYHBSA-L^Y InChI=1/C4H4O4.2K/c5-3(6)1-2-4(7)8;;/h1-2H,(H,5,6)(H,7,8);;/q;2+1/p-2/b2-1+;; Key: SHPKCSFVQGSAJU-HYKNURKJBN
SMILES [K+].[K+].[O-]C(=O)\C=C\C([O-])=O
Properties
Chemical formula	K₂C₄H₂O₄
Molar mass	192.253g/mol
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

Potassium fumarate is a compound with formula K₂C₄H₂O₄. It is the potassium salt of fumaric acid.

It has E number "E366".

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