Fumaric Acid 99.5%

We are offering to our customers a wide range of Fumaric Acid 99.5%. Specification:(FCCIV,1996) Item Unit Index Purity(base on C4H4O4)%99.5~100.5(dry basis) Heavy metal(base on Pb)PPMa 10 Arsenic(base on As)PPMa 3 Water content%a 0.5 Melting rangeA C286~302 Residue on ignition%a 0.1 Chroma(in 5% ethanol)#a 15 Malic acid%a 0.1 Description: White odorless powder or crystalline solid partics, with special sourness that is as strong as 1.5 times of crtric acid. It is soluble in ethanol(5.76g/100g,30A C), slightly soluble in water(0.63g/100ml,25A C) and in other, and very slightly soluble in chloroform. It has no hygroscopicity, and will sublime at 200A C. Boiling point:290A C(decompose). It will turn to malefic anhydride at 230A C, and will generate DL-malic acid if boiled with water. Usage: Used as an acidulant, fumaric acid has bacteriostatic and antiseptic function. It also can be used as acidity regulator, acidifier, thermal-oxidative resist anxiliary, curing accelerant and spice. Used as acidic substance of effervescent agent, it can produce extended and exquisite bubbles. Fumaric acid can be used as pharmaceutical intermediate and optical bleaching agent. In pharmaceutical industry, it si used to produce alexipharmic sodium dimercaptosuccinate and ferrous fumarate. Fumaric acid is also used in manufacturing unsaturated polyester resin. Package: 25kg net in plastic woven bag lined with PE bag. 18Mt/20'FCL(with pallet) or 20Mt/20'FCL(without pallet).