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| CAS No: | 13598-36-2 |
| Molecular Formula | H3PO3 |
| Appearance | White Deliquescent Crystals |
| Taste | Garlic |
| Chloride Content | 0.008% w/w max |
| Free Phosphorus Content | 0.02% w/w max |
| Iron Content | 0.004% w/w max |
| Sulphate Content | 0.008% w/w max |
| Melting Point | 70~74ºC |
| Solubility | Very Soluble in water & alcohol |
| Heavy Metals | 0.001% max |
| Assay % (minimum) | 99%-98.5% |
| Packing | 25 Kg, HDPE Bags / Drums. |
Phosphorous acid crystalline is used for the manufacture of phosphonates (used in detergents and as water conditioners), inorganic phosphites (used as stabilizers) and for production of agrochemicals and pharmaceuticals.