1 | Appearance | Almost colourless (not more intensely coloured than refernce solution BY6), hygroscopic liquid | Clear, viscous, colourless or almost colourless (not more intensely coloured than reference solution BY6), hygroscopic liquid. |
2 | Solubility | Passes | Soluble in water, miscible with ethanol (96%), slightly soluble in fatty oils. |
3 | Identification A (By Refractive index, 20±0.5°C) | 1.440 | 1.440-1.446 |
4 | Identification B (By IR) | Complies | IR spectra of the sample should be concomitant with IR spectra of the standard |
5 | Identification C (Reaction of esters) | Complies | A bluish-red or red color should produce. |
6 | Identification D (Reaction of citrates) | Complies | Violet color turning to violet-blue should produce. |
7 | Acidity | Passes | Not more than 0.3ml of 0.1 M sodium hydroxide should require to change the color of the indicator to blue. |
8 | Refractive index (20°C ± 0.5°C) | 1.440 | 1.440 to 1.446 |
9 | Related substances (Any impurity) | 0.04% | 0.2% max |
10 | Related substances (Total impurity) | 0.06% | 0.5% max |
11 | Water | 0.046% | 0.25% max |
12 | Sulfated ash | 0.08% | 0.1% max |
13 | Assay | 99.96% | 98.50%-101.0% (anhydrous substance) |