| Description |
A White or yellowish crystalline powder |
| Solubility |
| A. Methanol |
Soluble |
| B. Water |
Sparingly soluble |
| C. Methylene Chloride |
Practically insoluble |
| Identification |
| A. UV Absorption (245 nm) |
Ratio: 3.2 – 3.4 |
| B. IR Spectrum |
To comply |
| C. TLC |
To comply |
| D. Test of chloride |
To comply |
| Appearance of solution (5% Methanolic solution) |
Clear and colourless |
| pH (1 % w/v in water) |
4.5 -6.0 |
| Heavy metals |
Not more than 20 ppm |
| Loss on drying (1050C) |
Not more than 0.5 % w/w |
| Sulphated ash |
Not more than 0.1 % w/w |
| Related substances |
To comply with test of pharmacopoeia |
| Residual solvent |
To comply with test of relevant pharmacopoeia |
| Assay |
99.0 % w/w – 101.0 % w/w |