Maleic anhydride

Maleic anhydride
Names
IUPAC name
Furan-2,5-dione
Other names
cis-Butenedioic anhydride
Identifiers
  • 108-31-6 check
3D model (JSmol)
ECHA InfoCard 100.003.247
CompTox Dashboard (EPA)
SMILES
  • C1=CC(=O)OC1=O
Properties
C4H2O3
Molar mass 98.06 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references


Maleic anhydride is an organic compound with the chemical formula C4H2O3. It is the acid anhydride of maleic acid. Maleic anhydride is used to make some plastics.

Chemistry

Maleic acid is a dienophile, a type of chemical used in the Diels-Alder reaction with dienes. The Dies-Alder reaction of maleic anhydride and butadiene or isoprene makes tetrahydrophthalic anhydrides, which can be hydrogenated to hexahydrophthalic anhydrides. These can be used as curing agents in epoxy resin.[1]

  1. ↑ Hara, Osamu (December 20, 1990). "Technical News #32: Curing Agents for Epoxy Resin" (PDF). Three Bond Co., LTD.
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