CAS No:59-05-2
Shelf life:3 years
The detailed specifications are as below:
| Description | Yellow or orange cryptocrystalline powder. Hygroscopic. |
| Identification | A. IR-spectrum |
| B. UV-spectrum should have 3 maximums by wavelengths 258 nm, 302 nm and 371 nm.Relationof optical density by 302 nm and 371 nm from 2,8 till 3,3 | |
| Water | Not more than12.0% |
| Residue on ignition | Not more than 0.1% |
| Chromatographic purity | Total: Not more than 2.0% |
| Individual: Not more than 0.5% | |
| Specific rotation | Between +19°to +24° |
| Residual solvents | Ethanol : not more than 2000ppm |
| Acetone : not more than 1000ppm | |
| Ether: not more than 500 ppm | |
| Heavy metals | Not more than 20 ppm |
| Microbiological purity: | |
| – Total count of aerobes in 1 gr | 103 CFU |
| – Total count of fungus in 1 gr | 102 CFU |
| – Escherichia coli in 1 gr | Absence |
| Storage conditions | In the protected from light and moisture place, under temperature not higher than 25 oC |
| Assay | Between 98.0% to 102.0% |