| Specification | Tech Grade Standard | Pharm Grade Standard |
| Appearance | Colorless, transparent, viscous liquid | |
| Content % | 99.5 min | 99.8 min |
| Chroma(platinum-cobalt) | 10 Max | 5 Max |
| Distillation range(IBP-DP)°C | 184-190 | 184-189 |
| Density (20/25 °C) | 1.0350~1.0380 | 1.0350~1.0380 |
| nD20 Refractive Index nD20 | 1.431-1.435 | 1.431-1.435 |
| Moisture % | 0.2 Max | 0.1 Max |
| Alkalinity % | 0.0020 Max | 0.0020 Max |
| Ash % | 0.01 Max | 0.01 Max |
| Heavy metal (as Pb) ppm | -- | 5 Max |
| Arsenic (as As2O3) | -- | 3 Max |
| Chloride (as NaCl) % | -- | 0.0007 |
| Sulphate (as Na2SO4) % | -- | 0.0006 |
- CHINESECN