Pure product is white crystals, specific gravity 1.651(21.2°C). M.P. 73.6°C, B.P. 200°C. Soluble in water and ethanol easily, and it will be oxidized into H3PO4 in the air slowly. Be decomposed into H3PO4 and phosphine when be heated to the temperature 180°C.H3PO3 is a kind of diacid, its acid-stage is higher than H3PO4. Be oxidized easily and has strong hygroscope and corrosively.
Phosphorous acid is mainly used in the production of phosphates, synthetic fibers and organ phosphorus pesticides, etc. It is also used in producing high performance water treating agent ATMP.
Package: 25kg, 500kg or 1000kg woven bag for phosphorous acid crystal
280kg/HDPE drum, 1400kg/IBC for phosphorous acid solution
|Packaging Info :||25kg, 500kg or 1000kg woven bag for phosphorous acid crystal 280kg/HDPE drum, 1400kg/IBC for phosphorous acid solution|
|Delivery Information :||15-20 days|
|purity :||99% min|
|iron :||10ppm max|
|phosphate :||0.2% max|
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