| M | 98 |
|---|---|
| D | 1.7 |
| b.p | 158°C |
| m.p | 21°C |

| Identification A | Complying |
| Identification B | Complying |
| Clear colorless liquid | Complying |
| Appearance of solution | Complying |
| Assay (T) | >= 84.0%w/w |
| Subs. precipitated with ammonia | Complying |
| Hypophosphorous & Phosphorous acid | Complying |
| Arsenic (As) | <= 0.0002% |
| Chloride (Cl) | <= 0.005% |
| Heavy metals (as Pb) | <= 0.001% |
| Iron (Fe) | <= 0.005% |
| Sulfate (SO4) | <= 0.01% |
| Soluble in Water & EtOH 96% | Complying |