| Appearance | colorless or light yellow transparent thick liquid |
| Phosphorus content (wt %) | 9% |
| Specific gravity | 1.26 g/cm3 |
| Color (APHA) | ≤ 100 |
| Water content | ≤0.1% |
| Acidity | ≤0.10 mgKOH/g |
| Viscosity (cps at 70 ℃) | 220 |
| Solubility at 75 ℃, % wt. | Water : < 0.003 |
| Toluene: > 50 | |
| Hexane: 0.18 | |
| Acetone: > 50 | |
| TGA (TA Instruments, model 2950, 10°C/min under N2) | 1% weight loss, °C: 261 |
| 5% weight loss, °C: 378 | |
| 10% weight loss, °C: 403 | |
| 50% weight loss, °C 458 | |
| Packing: | 250kg/galvanized iron drum |
