1 | Appearance | White crystalline powder. | White or almost white, crystalline powder |
2 | Solubility | Complies | Slightly soluble in water, freely soluble in ethanol (96%) |
3 | Identification A (By Melting point) | 133.6°C | 132°C- 136°C |
4 | Identification B (By UV absorption) | Complies | Specific absorbance 2150 - 2550 at absorption at maxima 264 nm |
5 | Identification C (By IR) | Complies | IR spectra of the sample should be concomitant with IR spectra of the corresponding standard |
6 | Identification D (By Chemical test) | Complies | The solution should decolorized |
7 | Appearance of solution | Complies | Clear and colorless solution |
8 | Aldehydes | Less than 0.15% | NMT 0.15% |
9 | Water | 0.1% | NMT 1.0% |
10 | Sulfated ash | 0.1% | NMT 0.2% |
11 | Assay (anhydrous substance) | 100.2% | 99.0% - 101.0% |