Last Edit:6/25/2021==============Phosphorous acid is colorless crystals with a density of 1.65g/cm3, easily deliquesces in air, and soluble in water.Widely used as a raw material for the manufacture of phosphate; Plastics industry as a raw material for the manufacture of the plastic stabilizer; Used......
Product Name | Phosphorous acid | |
CAS No. | 13598-36-2 | |
MF | H3PO3 | |
Appearance | Colorless crystals powder | |
Grade Item | SuperClass | FirstClass |
Content(%) ≥ | 99.0 | 98.0 |
Phosphate(%) ≤ | 0.1 | 0.2 |
Chloride(%) ≤ | 0.005 | 0.01 |
Sulphate(%) ≤ | 0.0001 | 0.008 |
Heavymetal(accordingtoPb%) ≤ | 0.0002 | 0.001 |
Iron(%) ≤ | 0.001 | 0.003 |
Water-solubility test: | Colorless, pure | Excellent |


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