Jinan Shijitongda Chemical Co., Ltd.

China Manufacturer with main products: IPA, DMSO, DMF, Aniline, Iodine

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Hypophosphorous acid

FOB Price: 2,300.00 - 3,200.00 USD/Ton
Supply Ability: 3,000 Ton/Tons per Month
Shipping: 7-16 days after received buyer's deposit
Payment Terms: T/T, Western Union, MoneyGram, Other, contact us
In Stock
Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Shandong in China
Packaging Details: 25kg/drum, or as your requirement

Quick Details

  • CAS No.: 6303-21-5
  • Other Names: HPA
  • MF: H3PO2
  • EINECS No.: 228-601-5
  • Grade Standard: Industrial Grade,AND MORE
  • Purity: 30%,50%,65%
  • Appearance: Clear liquid
  • Application: used as Bleaching Agent, Color Stabilizer,
  • Brand Name: SJTD
  • Model Number: SJTD


1.CAS No.:  6303-21-5  
2.Purity:  30%,50%,65% 
3.MF:  H3PO2


Hypo Phosphorous acid Specification








Clear Viscous Liquid

Clear Viscous Liquid

Clear Viscous Liquid

Assay (H3PO2)

35% Min



Chloride (Cl)

100 ppm Max

150ppm Max

150ppm Max

Color, (APHA)

30 Max

30 Max

30 Max

Iron (Fe), ppm

10ppm Max

15ppm Max

20ppm Max


0.5% Max

0.5% Max

0.5% Max

Specific Gravity @ 25 C

1.210 ~1.265 G/CC

1.210 ~1.265 G/CC

1.210 ~1.265 G/CC


Hypo Phosphorous acid Application/Usage


Hypo Phosphorous acid may be used as Reducing Agent for its strong but slow reducing action, and be used in the production 

of Hypophosphite Salts (i.e., Calcium, Magnesium, Manganese, Potassium, Iron, and Ammonium) which are in turn used in 

synthetic fibers as wetting dispersing, emulsifying, and anti-static agents.


Hypo Phosphorous acid also can be used as Bleaching AgentColor StabilizerChemical IntermediateNeturalizing Agent

Wetting AgentAntioxidant or as a stimulant in pharmaceuticals.

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