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 |
| | |
3D model (JSmol) | |
| ChemSpider | |
| ECHA InfoCard | 100.119.574  |
| E number | E366 (antioxidants, ...) |
| | |
| UNII | |
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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+;;  Key: SHPKCSFVQGSAJU-SEPHDYHBSA-L 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
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SMILES [K+].[K+].[O-]C(=O)\C=C\C([O-])=O
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| 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). |
| | |
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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