| Items | Specifications |
| Appearance | Colorless liquid |
| Content | ≥99.0-100.5% |
| Acidity | ml[0.1mol/LNaOH]/5.0g ≤0.4 |
| Relative Density | 1.180-1.186 |
| Refractive index | 1.535-1.538 |
| Heavy metals | ≤0.002%(20PPm) |
| Solubility | 2ml product can entirely dissolve in 10ml alcohol (96%) |
