Phosphorous Acid
Application
Stabilizer for polyvinyl chloride, polyester polymerization catalyst and surface treatment.
Specifications and other data
| Chemical formula | H3PO3 |
|---|---|
| Molecular mass | 82.00 |
| CAS NO. | 13598-36-2 |
| Appearance | White crystal powder |
| Aqueous solution | Colorless or very slightly cloudy |
| Chloride (Cl) | 0.005% max. |
| Sulfate (SO4) | – |
| Calcium (Ca) | – |
| Phosphate | 0.5% max. |
| Arsenic (As) | – |
| Heavy metal (Pb) | – |
| Iron (Fe) | 0.003% max. |
| Product content | 98.0% min. |
| PH | 1.39 |
| Solubility | 77%(20°C) |
| Specific gravity | 1.651 |
| Special attention regarding storage | Store under sealed conditions, away from heat and moisture. |
