Quality standard:
Chemical Name: Trans-butenedioicacid
Molecular formula: C4H4O4
Molecular Weight: 116.07
Structural formula:
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 .
Specification: ( Food Chemical Codex 2004 in Five edtion )
Assay(as C 4 H 4O 4 ) :99.5% ~ 100.5% (anhydrous basis)
Melting Point:294 ~ 300
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
Application:Used as an acidulant, Fumaric acid has bacteriostatic and antiseptic function. It also can be used as acidity regulator, acidifier, thermal-oxidative resist auxiliary, 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 reagent. In pharmaceutical industry, it is used to produce alexipharmic sodium dimercaptosuccinate and ferrous fumarate. Fumaric acid is also used in manufacturing unsaturated polyester resin.
Optional information:
Origin:CHINA
Packing: 25kg net in plastic woven bag lined with PE bag,20MT/20'FCL(with palletized)or 22MT/20'FCL(without pallet); 500kg net in plastic bag.20MT/20'FCL(2 bags per pallet).
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