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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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