Specification :

Phosphorous acid
Synonyms:
Orthophosphorous acid; Phosphonic acid

CAS No.: 13598-36-2
Ec no.: 233-663-1
Molecular weight: 81.996
Molecular formula: H3po3
Density: 1.6510
M. P.: 73.6° C
B. P.: 200° C ( decomposing at 180° C)

Application:
Phosphorous acid is used in synthesis of phosphite salts, plastic stabilizers, pesticides, water-treatment chemicals, phosphite fertilizers for fruits like citrus and orange, vegetables, economic crops etc., cosmetics additives.