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Potassium fumarate

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Potassium fumarate
Names
Preferred IUPAC name Dipotassium (2E)-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
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.119.574 Edit this at Wikidata
E number E366 (antioxidants, ...)
PubChem CID
UNII
CompTox Dashboard (EPA)
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
SMILES
  • ..C(=O)\C=C\C()=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 , 100 kPa). ☒N verify (what is  ?) Infobox references
Chemical compound

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

It has E number "E366".

References

  1. PubChem. "Potassium fumarate". pubchem.ncbi.nlm.nih.gov. National Library of Medicine. Archived from the original on 2022-08-20. Retrieved 2022-08-20.
  2. Nutrition, This (2022-08-08). "E366 - Potassium Fumarate". This Nutrition. Archived from the original on 2022-08-20. Retrieved 2022-08-20.


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