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Product Name：Phosphorous acid

Synonyms：Phosphonic acid; hydrogen phosphonate; phosphorus(+3) trihydride cation trihydroxide; Orthophosphorus; Orthophosphorous acid; Ortho-Phosphorous acid

CAS：13598-36-2

EINECS：237-066-7

Molecular Formula：H3PO3

Molecular Weight：81.9957

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