Fumaric Acid yog qhov yooj yim tshaj plaws Unsaturated Binary Carboxylic Acid

Fumaric acid, tseem hu ua fumaric acid, fumaric acid, los yog corydalic acid. Nws daim ntawv tshuaj yog ₄H₄O₄. Nws yog cov xim tsis muaj xim, flammable crystal uas decomposes ntawm 230 degree C. Fumaric acid yog qhov yooj yim tshaj plaws unsaturated dicarboxylic acid, thawj zaug pom nyob rau hauv corydalis thiab kuj pom nyob rau hauv ntau yam nceb thiab nqaij nyuj tshiab.
Fumaric acid yog ib qho tseem ceeb ntawm cov organic chemical raw khoom, nrog rau qhov nruab nrab ntawm cov khoom siv tshuaj zoo, thiab ib qho tseem ceeb derivative ntawm maleic anhydride. Nws yog tsuas yog siv los ua tus neeg sawv cev qaub hauv kev lag luam khoom noj khoom haus, uas tuaj yeem siv rau hauv cov dej qab zib, Western cawv, dej txias, kua txiv hmab txiv ntoo, cov txiv hmab txiv ntoo hauv kaus poom, zaub qhwv, ice cream thiab dej qab zib. Tsis tas li ntawd, fumaric acid kuj tseem siv tau los ua cov kua qaub regulator, acidifier, antioxidant, salting accelerator thiab txuj lom.
Muaj ntau txoj hauv kev los npaj fumaric acid, ib qho ntawm cov khoom lag luam oxidation ntawm benzene (los yog butene) rau txiv neej acid (los yog maleic anhydride) nyob rau hauv lub xub ntiag ntawm ib tug catalyst, thiab ces isomerization. Tsis tas li ntawd, carbohydrates xws li sucrose, qabzib, maltose kuj tuaj yeem tsim los ntawm fermentation ntawm cov kab mob dub hauv paus.
Hais txog cov khoom siv tshuaj, fumaric acid yog incompatible nrog muaj zog oxidants, bases, txo cov neeg ua haujlwm, thiab flammable. Nws tuaj yeem tsim cov mono thiab binary esters lossis amides, tab sis tsis tuaj yeem tsim mono acyl chloride. Fumaric acid tuaj yeem oxidized los ntawm poov tshuaj permanganate los tsim racemic tartaric acid.