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 |
Arsenic(As)(mg/kg) | ≤3 | <3 |
Heavy metal (pb) (mg/kg) | ≤10 | <10 |