| ≥1 piece |
Detail :
| Item | Standard | Results |
| Color | Colorless clear strips or crystals | conforms |
| Odor | Pleasant methol odor | conforms |
| Residue on evaporation(%) | ≤0.05 | 0.02 |
| Melting point(ºC) | 41.5∼44.0 | 41.6∼42.6 |
| Solubility in ethanol(25 Deg c) | 1 g sample completely soluble into 5 ml 90% ethanol | conforms |
| Specific rotation(25 Deg c) | -50∼49 | -49.70 |
| Heavy metal (pb) (mg/kg) | ≤10 | <10 |
| Arsenic(As)(mg/kg) | ≤3 | <3 |