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      Ortho-Phosphorous acid

      Produce name: Ortho-Phosphorous acid
      Molecular formula:H3PO3
      Molecular weight: 82
      Application:
      our factory produces following two kind of phosphorous acids divides byraw material : (1)Take phosphorus trichloride as the raw material and hydrolyze it to produce crystalline industrial phosphoro
      Specifications:
       

      Item

      Crystal Index(%)

      Liquid Index (%)

      Phosphorus trichloride method

      Relic solution method

      Phosphorus trichloride method

      Relic solution method

      main content (as H3PO3)≥

      99.0

      98.0

      77-80

      77-80

      chloride content (as Cl)≤

      0.01

      0.01

      0.03

      0.03

      iron content (as Fe)

      0.0015

      0.002

      0.003

      0.005

      phosphate content (as PO4)≤

      0.2

      0.2

       

       

      sulphate content (as SO4)≤

      0.008

      0.008

       

       

      Appearance

      White crystal

      achromatism or pale-yellow liquid

       

      Application:
      This product mainly is suitable for the raw material for production, such as the phosphite, the synthetic fiber and the organic phosphorus agricultural chemicals and so on. Also uses in producing h

      Packing: 
      (1) crystal: 25kgs/bag, inner packaging adopts double ply polythene film bag, external packaging is plastic woven bag B: 50kgs in paper drum or metal; C: 1000kgs in big bag D: According to buyer re

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