Package: 25 KG/bag or drum

Uses : 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 ma

Molecular Structure:

Product description: Main Applications : this product 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