Hydrogen Phosphonate - China

hydrogen phosphonate

phosphorus(+3) trihydride cation trihydroxide

Orthophosphorus

Orthophosphorous acid

Molecular formula H3PO3

Structure Molecular weight 81.99

CAS No.

13598-36-2

Density 1.65

Melting Point 73℃

Boiling Point 200℃

Traits Colorless crystals, density 1.65g/m3, there is a strong hygroscopicity, soluble in water, there is rot Erodibility.

Use Phosphite widely used for manufacturing of raw materials, the plastics industry for the manufacture of plastic stabilityAgent of raw materials, chemical reactions used as a reducing agent, also used for synthetic fiber, pesticide Industries.

Export Coating woven bags, kraft paper bag lined with double-layer composite plastic bag, net weight 25 kilograms or 1000 kilograms.

Quality indicators (People's Republic of China chemical industry HG/T2520-93 standard)

Test Item Top Grade-1 Top Grade-2 First Grade I First Grade III

Main content (H3PO3 in dollars) (%) 99.0 Min 99.0 Min 98.5 Min 98.5 Min

Iron (FE) (PPM) 5 Max 10 Max 20 Max 50 Max

Chloride (Cl) (%) 0.0008 Max 0.001 Max 0.002 Max 0.02 Max

Sulphate (SO4 in dollars) 0.0008 Max 0.006 Max 0.008 Max 0.01 Max

Phosphate (PO4 in dollars) 0.05 Max 0.1 Max 0.2 Max 0.6 Max

Appearance Pure White Crysta Pure White Crystal Pure White Crysta Pure White Crysta

70% Aqueous Solution Test Colorless transparent Colorless transparen -- --

Liquid POA (%) 70-80 Min.

70-80 Min.

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Company Contact:

• Posted By: ZIBO QIANWEI INTERNATIONAL TRADE CO.,LTD

• Phone: 18006436389

• Address: Chengying Village, Linzi,Zibo City,Shandong Province,China, zibo , Shandong , China

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• Website: http://WWW.QWBUSINESS.COM

• Business Description: ZIBO QIANWEI INTERNATIONAL TRADE CO,.
  
  LTD is a professional company specialized in chemical production combining scientific research,development,sale s and exporting business.
  
  For years, the company has been sticking to the management principle of taking good faith as the root and market as the soul, continuously making progress on technology innovation, and making rapid development.