Phosphorous acid98.5%min Features: 1) molecular formula: h3po3 2) extracted from colorless crystals 3) density: 1. 651 (21oc) (mp74oc, bp>200oc (decomposed)) 4) strong absorbency 5) deliquest, soluble in water and ethanol 6) gradual oxidation in air 7) applications: A) reducer and pesticide B) product nylon builder C) plastic stabilizer D) synthetic fibrin dibasic glyphosate E) water transacter atmp F) potassiam phosphibe 8) composition: A) content: 98.5% (min.) B) fe: 30ppm (max.) C) phosphate: 0.3% (max.) D) chloride: 0.01% (max.) E) so4: 0.006% (max. ) Packing means: 1) plastic basketwork 2) film tined with polyethylene 3) circinal paper bucket 4) un approved 25kg bag