Name:Phosphorous Acid

Product Description

Phosphorous Acid


(Passed REACH Registration)

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.

Product Specification:




White crystal powder

Purity (%)

99.0 min

Chloride (as Cl-, ppm)  

50.0 max

Iron, as Fe (ppm)

10.0 max

PO43- (%)

0.2 max

SO42- (ppm)

80 max

Package and Storage:

25kg inner liner polyethylene (PE) bag and 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.

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