| Appearance |
White to light beige powder or crystals
|
Infrared spectrum |
Conforms
|
| Melting point |
174°C to 179°C
|
Assay (by HClO4 titration; on dried basis) |
Min 98.5%
|
| Loss on drying (at 105°C; 3 hrs) |
6.0 - 9.5%
|
Specific optical rotation |
-75° to -80° (20°C, 589 nm) (c=1, EtOH)
|