Produce name: Ortho-Phosphorous acid
Molecular formula:H3PO3
Molecular weight: 82
Application:
our factory produces following two kind of phosphorous acids divides byraw material : (1)Take phosphorus trichloride as the raw material and hydrolyze it to produce crystalline industrial phosphoro
Specifications:
Item
|
Crystal Index(%)
|
Liquid Index (%)
|
Phosphorus trichloride method
|
Relic solution method
|
Phosphorus trichloride method
|
Relic solution method
|
main content (as H3PO3)≥
|
99.0
|
98.0
|
77-80
|
77-80
|
chloride content (as Cl)≤
|
0.01
|
0.01
|
0.03
|
0.03
|
iron content (as Fe)
|
0.0015
|
0.002
|
0.003
|
0.005
|
phosphate content (as PO4)≤
|
0.2
|
0.2
|
|
|
sulphate content (as SO4)≤
|
0.008
|
0.008
|
|
|
Appearance
|
White crystal
|
achromatism or pale-yellow liquid
|
Application:
This product mainly is suitable for the raw material for production, such as the phosphite, the synthetic fiber and the organic phosphorus agricultural chemicals and so on. Also uses in producing h
Packing:
(1) crystal: 25kgs/bag, inner packaging adopts double ply polythene film bag, external packaging is plastic woven bag B: 50kgs in paper drum or metal; C: 1000kgs in big bag D: According to buyer re