Phosphorous acid 99%min with fine quality

Appearance: White crystals Content(H3PO3) %: 99.0min Iron content(Fe) % : 0.001max Chloride(Cl) %: 0.01max Phosphate(PO4) %: 0.2max Sulfate(SO4) %: 0.008max Solubility: 50% solution in water should be clear colorless with no foreign particles. 2.

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.