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Phosphorous Acid

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Phosphorous Acid

Description:
Description:
Information
Name of Product：Phosphorous Acid 
CAS NO.: 13598-36-2
Molecular Formula: H3PO3
Molecular Weight: 81.99
Structural Formula:
　　　　　　　　 　ss
Properties: Achromatic crystal,density1.65g/m3,better hygroscopi- city,dissolved easily in the water,has corrosive characteristics.Melting poin 73℃,boiling point 200℃,relative density1.65.
Quality Index (The Chemistry Industry HG/T2520-93Standards of the Peoples’ Republic of China) 

Inspection Items

The degree of the products

Best Grade Products

Best Grade Products

First grade products

Main contents(counted with H3PO3)

99

98.5

98

Iron(counted with Fe)

0.001

0.0015

0.0020

Chloride(counted with C1)

0.008

0.01

0.01

Sulfate(counted with SO4)

0.001

0.002

0.002

Phosphate(counted with PO4)

0.1

0.2

0.2

Complexion

White crystal

White crystal

White crystal

Water solution experiments

Clear and achromatic

Clear and achromatic

Clear and achromatic
Package: Generally using paperboard barred with plastic bag or using plastic weave or Kraft bag with plastic bag inside,net weight 25kgs.
Functions: Raw material of the manufacture for phosphite and plastic
stabilizers.Reducing agent in chemical reaction,and being used in synthesizing fiber and agro-chemicals industry.

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The company is a national high-tech enterprise specializing in the production of triethyl orthoformate, trimethyl orthoformate and phosphorous acid.

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