Fumaric acid index:
|
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
|
|
Uses: transbutene dioic acid, is a basic chemical material and fine chemicals widely used in coatings, resins, pharmaceuticals and plasticizer; also used as food/feed additive.
Packing:25Kg woven bag lined with plastic inner bag, or following your demands.
Storage: Sealed, kept in dry and cool place; avoid light..