Fumaric Acid

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Fumaric Acid has a fruit acid taste , maninly used as a raw material for polyester resins and alkyd resins , manufacturing synthetic resin posses a excellent thermal stability and insulation , polymerization of vinyl acetate and produces ahhesives , can also be used for pharmaceutrical raw material and food additives acidulant , beverage and other sourness agents and it is also an important raw material or glass fiber reinforced plastic and food industry .

Description White, odorless granules or crystalline powder. It is soluble in alcohol, slightly soluble in water and in ether, and very slightly soluble in chloroform
Chemical Name Trans-butenedioic  acid
Molecular Formula C4H4O4
Structural Formula  
Molecular Weight 116.07
Solubility (g/100g)
in water at 25 0.7
in water at 100 9.8
in alcohol at 30 5.76
in dimethyl benzene at 20 0.03
Specification
(Fcciv,1996) Assay(as C4H4O4) 99.5%~100.5%(anhydrous basis)
Melting Point 294oC~300oC
Arsenic(as As) 3mg/kg Max
Heavy Metals(as Pb) 10mg/kg Max
Maleic Acid 0.10% Max
Residue on Ignition 0.1% Max
Water 0.5% Max

110-17-8