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By certification 
Product name: Phosphorous acid
Synonyms: Phosphonic acid; hydrogen phosphonate; phosphorus(+3) trihydride cation trihydroxide; Orthophosphorus; Orthophosphorous acid; Ortho-Phosphorous acid; Ortho-Phosphorous acid
CAS No.: 13598-36-2
EC No.: 237-066-7
Molecular formula: H3PO3
Molecular weight: 82.00
Density: 1.651 g/mL
Appearance: White fixation
Melting point: 73 °C
Property: White fixation. White or light yellow crystal, with garlic smell,soluble in water alcohol.
Application: As a reducing agent, nylon bleaching agent, also used as a raw material for the sub - phosphate, pesticide intermediates
Place of rigin: GuiZhou,China
Supply Ability: MT per Month
Delivery time: Depends on the quantity
FOB Price:
Min.Order Quantity: MT
Port: Any port of China
Payment Terms: L/C,D/A,D/P,T/T
Usage:
Packing:
