Phosphorous Acid (H3PO3) CAS Number: 13598-36-2
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CAS Number:13598-36-2

Recommended Uses:

Suitable for the raw material for production, such as the phosphite, the synthetic fiber and the organic phosphorus agricultural chemicals and so on. Also uses in producing highly effective water treatment agent ATMP and so on.


Package and Storage:

Liquid: 250KG/DRUM; 1250KG/IBC; 1400KG/IBC

Powder: 25kg inner liner polyethylene (PE) bag, 500kg or 1000kg woven bag.

Storage for 12 months in room shady and dry place. Store away from metals and foodstuffs. Do not store together with oxidizing and acidic materials as well as heavy-metal compounds.

Safety Protection:

Immediately remove any clothing soiled by the product.

Symptoms of poisoning may even occur after several hours, therefore medical observation for at least 48 hours after the accident.


Phosphonic acid;Phosphonic acid; hydrogen phosphonate; phosphorus(+3) trihydride cation trihydroxide


Phosphorous Acid (H3PO3)