polyester resin fumaric acid

1.Fumaric acid 2.Widly used in producing various carbonic acid drink 3.used in manufacturing unsaturated polyester resin.

polyester resin Fumaric Acid

Chemical name: Trans-butenedioic acid

Molecular formula: C4H4O4

Molecular weight: 116.07

CAS NO.: 110-17-8

Properties:White odorless powder or, with speical sourness that is as strong as 1.5 times of citric acid. It is soluble in ethanol (5.76g/100g,30°c), slightly soluble in water (0.63g/100ml,25°c) and in ether, and very slightly soluble in chloroform.

Specification: Conform to FCCIV

Item	Unit	Index
Purity (base on C4H4O4)	%	99.50~100.50 (dry basis)
Heavy metal (base on Pb)	PPM	≤ 10
Arsenic (base on As)	PPM	≤ 3
Water content	%	≤ 0.5
Melting range	°c	286~302
Residue on ignition	%	≤ 0.1
Chroma (in 5% ethanol)	#	≤ 15
Maleic acid	%	≤ 0.1

Usage:Trans-butenedioic acid has bacteriostatic and antiseptic function. It can be used as acidulant, acidity regulator, acidifier, thermal-oxidative resist auxiliary, curing accelerant and spice. Widly used in producing various carbonic acid drink, wine, concentrated solid drink, ice cream and other cold foods and drink. It can replace malic acid, citric acid, for its acidity degree is 1.5 times of that of citric acid. Fumaric acid can be used as pharmaceutical intermediate and optical bleaching agent, also used in manufacturing unsaturated polyester resin. 

Package:25kg net in plastic woven bag lined with PE bag. 18 MT/20'FCL (with pallet) or 20MT/20'FCL (without pallet). 500kg-1000kg container bags of all specifications are available. 

Storage:

Store in cool and dry place.

polyester resin fumaric acid