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单词 fumaric acid
释义

fumaric acid


fu·mar·ic acid

F0360200 (fyo͞o-măr′ĭk)n. A crystalline organic acid, the trans-isomer of C4H4O4, found in various plants and produced synthetically and used mainly in resins, paints, varnishes, and inks, and as a flavoring and a mordant.
[From New Latin Fūmāria, genus of herbaceous plants (from Late Latin fūmāria, fumitory, from Latin fūmus, smoke) + -ic.]

fumaric acid

(fjuːˈmærɪk) n (Elements & Compounds) a colourless crystalline acid with a fruity taste, found in some plants and manufactured from benzene; trans-butenedioic acid: used esp in synthetic resins. Formula: HCOOCH:CHCOOH[C19: from New Latin Fumāria name of genus, from Late Latin: fumitory, from Latin fūmus smoke]

fumar′ic ac′id


n. a colorless, odorless solid, C4H4O4, essential to cellular respiration in most eukaryotic organisms: used to make synthetic resins and as a replacement for tartaric acid in beverages and baking powders. [1875–80]
Thesaurus
Noun1.fumaric acid - a colorless crystalline acid with a fruity taste; used in making polyester resinsacid - any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt
Translations

fumaric acid


fumaric acid

(fyo͞omăr`ĭk) or

trans-butenedioic acid,

HO2CCH=CHCO2H, unsaturated dicarboxylic acid that melts at 287&degC;. Maleic acid, or cis-butenedioic acid, is a geometric isomerisomer
, in chemistry, one of two or more compounds having the same molecular formula but different structures (arrangements of atoms in the molecule). Isomerism is the occurrence of such compounds. Isomerism was first recognized by J. J. Berzelius in 1827.
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 of fumaric acid; it melts at about 140&degC;. Of the two isomers fumaric acid is the more stable and can be prepared from maleic acid by heating it. Fumaric acid can be prepared by catalytic oxidation of benzene or by bacterial action on glucose. It is found in small amounts in a variety of plants and is essential to the respiration of animal and vegetable tissue. Fumaric acid is used as a substitute for tartaric acidtartaric acid,
HO2CCHOHCHOHCO2H, white crystalline dicarboxylic acid. It occurs as three distinct isomers, the dextro-, levo-, and meso- forms.
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 in beverages and baking powder. It is used as a mordant in dyeing and in the manufacture of synthetic resins and polyhydric alcohols.

fumaric acid

[fyü′mar·ik ′as·əd] (organic chemistry) C4H4O4 A dicarboxylic organic acid produced commercially by synthesis and fermentation; the trans isomer of maleic acid; colorless crystals, melting point 287°C; used to make resins, paints, varnishes, and inks, in foods, as a mordant, and as a chemical intermediate. Also known as boletic acid.

fumaric acid


Related to fumaric acid: fumaric acid esters
  • noun

Words related to fumaric acid

noun a colorless crystalline acid with a fruity taste

Related Words

  • acid
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