1.CAS No.: 110-17-8 2..Appearance:White or colorless crystals with sour of fruit 3.Purity: 99%

Specifications

1.CAS No.: 110-17-8

2.Purity: 99%

3.Chemical Formula:C4H4O4 

4.HS Code: 291719300

Appearance:

White or colorless crystals with sour of fruit 

 

Specification:

Item	Unit	Food grade	Technical grade
Appearance		White crystalline powder	White crystalline powder
Purity(base on fumaric acid)	%	99.5- 100.5	99.0 min
Water content	%	0.4 max	0.4 max
Melting point		280--290	280-290
Ignition residue	%	0.1 max
Chroma(in 5% ethanol)	Hazen	15 max
Heavy metal(base on Pb)	PPM	10 max
Drying shrinkage	%		0.5max

Usage:

(1).Fumaric acid can be used as pharmaceutical intermediate and optical bleaching agent

(2).also used in manufacturing unsaturated polyester resin.

(3).It can be used used in making coating. L-Aspartic Acid, L-Lactamic Acid, Malic Acid and so on. 

 

 

Fumaric Acid