1.Infor

CAS NO.:6303-21-5UN NO.:3264FORMULA:H3PO2Molecular Weight :65.99MELTING POINT:-25℃ (Pure H3PO2)BOILING POINT:108℃ (Decomposes)SPECIFIC GRAVITY:1.274FLASH POINT:NoneSTABILITY: Stable under ordinary conditions, when heated strongly or put together with oxidizers, it will be decomposed into phosphine, phosphoric acid,and hydrogen.SOLUBILITY IN WATER: Miscible2.Specification:

Appearance Clear to yellowish liquid

H3PO250% min

H3PO30.3% max

SO40.005% max

Cl0.015% max

Fe5ppm max