Description

Phosphorous acid Products’ Name: 　Phosphorous acid Molecular formula:　H3PO3 Structure formula: Molecular weight: 　*1.*9 CAS No.: 　*********2 Density :　1.*5 Melting point:　*3℃ Boiling point: 　**0℃ Character : 　　Achromatic crystal, density1.*5g/m3, better hygroscopi-city, dissolved easily in the water, has corrosive characteristics Quality Index (The Chemistry Industry HG/T******3Standards of the Peoples’Republic of China) Inspection items The degree of the products Best Grade Products Best Grade Products First grade products Main contents(counted with H3PO3) *9 *8.5 *8 Iron(counted with Fe) 0.**1 0.***5 0.***0 Chloride(counted with C1) 0.**8 0.*1 0.*1 Sulfate(counted with SO4) 0.**1 0.**2 0.**2 Phosphate(counted with SO4) 0.1 0.2 0.2 Complexion White crystal White crystal White crystal Water solution experiments White crystal Clear and achromatic Clear and achromatic Usage: Widely used as the raw materials to make phosphorous acid salt, used as the raw materials for making of plastic stabilizator in the plastic industry, used as reducer in chemical reaction, also used in the olefin industry, agricultural chemical industry and so on. Export : Film Plastic Knitted Bag, kraft paper complex bag inner layer, double layers plastic bag with net weight of *5kg