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Details for China Phosphorous acid

Phosphorous acid 13598-36-2

Category :

Inorganic chemicals/Inorganic acids

Phosphorous acid
CAS NO : 13598-36-2
EC NO : 237-066-7
MF : H3PO3
MW : 81.9957
Specification : Phosphorous acid 99%
Packing : 25KG bag with pallet
Product description :

CAS No.: 497-19-8
H.S. Code: 2811199090
UN. No.: 2834
Molecular Formular:H3PO3
Molecular Weight: 82.00
Appearance: white crystal
Packing: 25kg/bag
Technical Datasheet

Top GradeThe first grade
AppearanceWhite crystalWhite Crystal
Purity(H3PO3)% ≥99.0%min98.5%min
Phosphate % ≤0.2%max0.2 %max
Chloride (Cl) % ≤0.01%max0.02%max
Sulphate % ≤0.008%max0.008%max
Iron(Fe) % ≤0.003%max0.005%max
Water Solubility TestExcellentExcellent

Colour less crystalline. Density 1.65g/cm3. Easily deliquesce in air and soluble in water. Corrosiveness

Raw material of the manufacture for phosphite and plastic stabilizer, synthetic fiber, dibasic phosphorous plumbum , glyphosate, water treatment ATMP and potassium phosphine . Using as reducing agent in chemical reaction, and pesticide middle –object.


Uses : nylon brighter, plastic stabilizer, synthetic fibre, dibasic phosphorous Plumbum, Glyphosate, Water treatment ATMP and Potassiam phosphibe
Synonyms : Phosphonic acid;hydrogen phosphonate;phosphorus(+3) trihydride cation trihydroxide;Orthophosphorus;Orthophosphorous acid;Ortho-Phosphorous acid;
Molecular Structure : Phosphorous acid 13598-36-2