Huzhou Shenda Chemical Co., Ltd.

Phosphorous acid

• Category :

  Inorganic chemicals/Inorganic acids

• Synonyms :

  Phosphonic acid;hydrogen phosphonate;phosphorus(+3) trihydride cation trihydroxide;Orthophosphorus;Orthophosphorous acid;Ortho-Phosphorous acid;

• CAS NO :

  13598-36-2

• EC NO :

  237-066-7

• Molecular Formula :

  H₃PO₃

• Molecular Weight :

  81.9957

• Main Specifications :

  Phosphorous acid 99%

• InChI :

  InChI=1/3H2O.H3P/h3*1H2;1H3/q;;;+3/p-3

• 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 Items Specification Top Grade The first grade Appearance White crystal White Crystal Purity(H3PO3)% ≥ 99.0%min 98.5%min Phosphate %　≤ 0.2%max 0.2 %max Chloride (Cl) %　≤ 0.01%max 0.02%max Sulphate % ≤ 0.008%max 0.008%max Iron(Fe) %　≤ 0.003%max 0.005%max Water Solubility Test Excellent Excellent Characteristic: Colour less crystalline. Density 1.65g/cm3. Easily deliquesce in air and soluble in water. Corrosiveness Usage: 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

• Molecular Structure :