Grade: Pharmaceutical Grade
Factory Location: Jiaxing Zhejiang China
Main Sales Markets: Asia
Sample Provided: no
Exterior | white crystalline hygroscopic powder | white crystalline hygroscopic powder |
Appraisal | IR spectra consistent with CRS | meet specific rotation, The infrared absorption spectrum should be consistent with the CRS map |
pH (5% aqueous solution) | 5.5~9.5 | 6.5~8.5 |
Specific rotation | -29o~-32o | -29.0o~-32.0o |
Moisture | ≤4.0% | ≤1.0% |
Content | 97~103% | 98.0~102.0% |
Sodium | ≤0.1% | |
Potassium | ≤0.2% | |
Heavy metals (as Pb mind) | ≤0.002% | ≤10 ppm |
Chloride | ≤0.40% | ≤200 ppm |
Residue on ignition | ≤0.5% | |
Residual Solvents | ≤0.5% | ≤0.5% |
amount of residual acetone | ≤0.1% | |
Cyanide | Not detected | Not detected |
Sulphated Ash | ≤0.1% | |
Appearance of solution | Clear and colorless | |
Related substances (HPLC) | Impurity A ≤ 0.5%, Maximum single impurity ≤ 0.1% |