Testing Items | Specifications |
Appearance | Light yellow to yellow powder |
Odour | Characteristic odour |
Identification(IR) | Conforms to Standard |
Assay(HPLC) | Not less than 98.0% |
Total Impurities(HPLC) | Not more than 2.0% |
Absorbance(UV-VIS, 10mg/L, propan-2-ol, 341nm,1cm) | Not less than 0.790 |
Absorption(UV-VIS, 1% dil./1cm) | Not less than 790 |
Volatile Matter | Not more than 0.5% |