Appearance
|
White crystalline powder
|
Assay (acidimetric; on dried basis)
|
98.5-101.0%
|
Identification
|
Passes test
|
Melting point
|
about 225°C, with decomposition
|
Acidity or alkalinity
|
Passes test
|
Optical rotation
|
-0.1° to +0.1°
|
Related Substances
|
Passes test
|
Reducing substance
|
Passes test
|
Sulphated ash
|
Max 0.1%
|
Loss on drying (at 105°C)
|
Max 0.1%
|
Microbial Limits
|
Max 100 CFU/g
|