Fumaric Acid also used to produce unsaturated polyester resins, fumaric acid fumaric acid formula HO2CCH = CHCO2H compounds. This white crystalline compound of two isomers of the unsaturated dicarboxylic acid, maleic acid, the other one, which carboxylic acid groups of the CIS [= (Z)]. Fumaric Acid with fruit flavor. Added to food, Fumaric Acid is an acidity regulator, said via e-mail number Fumaric Acid.
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