Fumaric acid or trans-butenedioic acid is the chemical compound with the formula HO2CCH=CHCO2H. This white crystalline compound is one of two isomeric unsaturated dicarboxylic acids, the other being maleic acid.
F 1556 (OTTO) Fumaric acid, 99% Cas 110-17-8 - used in the production of polyester resins and polyhydric alcohols. F 1556 (OTTO) Fumaric acid, 99% Cas 110-17-8 - used as a mordant for dyes, paint additives, coating additives, plasticizers, processing aids and specific to petroleum production.