maleic 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.
References in periodicals archive ?
Maleic acid is an organic compound used in the manufacture of plastics and automobile parts.
This suggests that bromoform has no effect as a catalyst upon treatment with maleic acid ester under the specified conditions.
Switala-Zeliazkow, M, "Thermal Degradation of Copolymers of Styrene with Dicarboxylic Acids--II: Copolymers Obtained by Radical Copolymerisation of Styrene with Maleic Acid or Fumaric Acid.
Maleic acid working solution (100 [micro]L) and IS (100 [micro]L) were added to each calibrator, control, and patient sample.
36]) and the other with a diisobutylene) co-oligomers with maleic acid (Figure 12), at 0.
FigureI-1 the products structure of maleic acid by output in 2006, %
The modified elastomer must have a functional group that can interact with a carbonyl group such as maleic anhydride, phthalic anhydride, acrylic acid, maleic acid, itaconic acid, epoxy, or a glycidyl group.
Belgian researchers for Colgate-Palmolive have created a microemulsion liquid cleaning composition that contains a short chain amphiphile, surfactants, a fatty acid, magnesium sulfate, perfume or essential oil, a sodium salt of an olefin maleic acid copolymer and water.
Suitable acids include 1,2,3,4-butanetetracarboxylic acid, citric acid, maleic acid, and polymaleic acid.
Headquartered in Zhenjiang City, Jiangsu Province, Delta is a leading China based fine and specialty chemical company producing and distributing organic compound including para-chlorotoluene ("PCT"), ortho-chlorotoluene ("OCT"), PCT/OCT downstream products, unsaturated polyester resin ("UPR"), maleic acid ("MA") and other by-product chemicals.
CIS") has announced today the execution of a definitive agreement with Delta Technology Holdings Limited ("Delta"), a leading China based company specializing in providing fine and specialty chemicals to end application markets including Automotive, Pharmaceutical, Agrochemical, Dye & Pigments, Aerospace, Ceramics, Coating-Printing and Food Additives by producing and distributing organic compound including para-chlorotoluene ("PCT"), ortho-chlorotoluene ("OCT"), PCT/OCT downstream products, unsaturated polyester resin ("UPR"), maleic acid ("MA") and other by-product chemicals to customers.