Fumaric acid photograph

Fumaric Acid

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FormulaC4H4O4
Molar mass116. 07 g/mol
IUPAC ID(E)-Butenedioic acid
Melting point287 °C (549 °F; 560 K) (decomposes)
Related carboxylic acids Maleic acid
Succinic acid
Crotonic acid
Soluble in Water
Alcohol
Date of Reg.
Date of Upd.
ID2349029
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About Fumaric Acid


Fumaric acid or trans-butenedioic acid is the chemical compound with the formula HO₂CCH=CHCO₂H. Fumaric acid has a fruit-like taste and has been used as a food acidulant since 1946. Its E number is E297.

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