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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