Phosphorous acid 25kg/ bag white crystal
Phosphorous acid is an inorganic compound with the formula H3PO3 and molecular weight of 82.00.
Soluble in water and alcohol. Phosphorous acid is mainly used as a reducing agent, nylon whitening agent.

Chinese name Phosphorous acid Chemical Formula H3PO3 Molecular weight 82.00 EINECS entry Number 237-066-7 Melting point 73.6℃ Boiling point 200℃ (decomposition) Water soluble soluble water density 1.651 (water =1) White or light yellow crystal, with garlic smell Dangerous goods Transport number UN 2834 8/PG 3

Physical and chemical properties: strong hygroscopicity and delixing, soluble in water and alcohol

Production way: hydrolysis method is mainly used. Phosphorus trichloride (PCl3) is hydrolyzed, refined by steam, cooled and crystallized to remove hydrochloric acid and decolorize.





Packing storage and transportation: three plywood drum for export packing, lined with two layers of polyethylene plastic bags, net weight 50kg per barrel. Polyethylene plastic drum for domestic packaging, net weight 30kg per barrel. Or iron drums lined with two layers of polyethylene plastic bags, net weight of 25kg per barrel.