maleic acid

(redirected from (Z)-Butenedioic acid)
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maleic acid

(məlē`ĭk): see fumaric acidfumaric acid
or trans-butenedioic acid,
HO2CCH=CHCO2H, unsaturated dicarboxylic acid that melts at 287°C;. Maleic acid, or cis-butenedioic acid, is a geometric isomer of fumaric acid; it melts at about 140°C;.
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maleic acid

[mə′lā·ik ′as·əd]
(organic chemistry)
HOOCCH:CHCOOH A colorless, crystalline dibasic acid; soluble in water, acetone, and alcohol; melting point 130-131°C; used in textile processing, and as an oil and fat preservative.