Phosphorous Acid This product widely used as reducer in chemical reaction Nylon brightening agent making plastic. Features: 1) Product: phosphorous acid2) Synonyms: orthophosphorous acid; phosphonic acid 3) CAS no.: 13598-36-2 4) Molecular formula: H3PO3 5) Molecular weight: 826) Specific gravity: 1.65107) Melting point: 73.6°C 8) Boiling point: 200°C (decomposing at 180°C) ...............................................................................

Phosphorous Acid