Item | Standard | Result |
Appearance | White to off white powder | Off white powder |
Odour | Characteristic | Conform |
Solubility | Soluble in methanol and in methylene chlorides,slightlysoluble in water | Conform |
Identification by IR | Match with standard | Conform |
Water (%) | ≤1.0 | 0.51 |
Melting point (℃) | 49-52 | 49.2-50.4 |
Sulphated ash (%) | ≤0.5 | 0.02 |
Resorcinol (%) | ≤0.2 | BDL |
2,4-dihydroxybutyrophrnone (%) | ≤0.5 | BDL |
Any other impurity (%) | ≤1.0 | 0.39 |
Total of impurities (%) | ≤1.0 | 0.72 |
Purity (%) | ≥99.0 | 99.28 |
Hexane (ppm) | ≤100 | <100 |
Toluene (ppm) | ≤890 | <890 |
Methanol (ppm) | ≤500 | <500 |