Appearance: white crystalline powder,Mild mint,almost odourless
Assay: 99.0%min
Melting point: 60 ~ 63 degrees (capillary tube method),
from 62 to 64 C (differential scanning calorimetry)
Flash point: >100 C (closed cup metho Tag Closed Cup)
Water soluble: 7.0g/L (20 DEG C):
Alcohol solubility: soluble in alcohols and organic solvent.
Rotation: (5% ~ 1 -4.0 (W/V) dissolved in anhydrous ethanol, 20 C)
Other: water, boiling point, heay metals, organic residues.