Ortho-Phosphorous acid

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

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