CASR |
: | 84-66-2 |
Molecular Formula |
: | C12H14O4 |
Molecular Weight |
: | 222.24 |
| Specifications | |
|---|---|
| Appearance: | Clear, colourless or very slightly yellow, oily liquid. |
| Solubility: | Practically insoluble in water, miscible with ethanol (96%). |
| Identification A ( By Relative density, 20°C): | 1.117-1.121 |
| Identification B (By Refractive index, 20±0.5°C): | 1.500 to 1.505 |
| Identification C (By IR): | IR spectra of the sample should be concomitant with IR spectra of the standard. |
| Identification D (By TLC): | The principal spot in the chromatogram obtained with the test solution is similar in position and size to the principal spot in the chromatogram obtained with the reference solution. |
| Identification E (By Chemical test): | The solution becomes yellow or brownish-yellow and shows green fluorescence. |
| Appearance of solution: | The substance to be examined is clear and not more intensely coloured than reference solution Y6. |
| Acidity: | Not more than 0.1ml of 0.1M sodium hydroxide is required to change the colour of the indicator to pink. |
| Related substances: | NMT 1.0% |
| Water: | NMT 0.2% |
| Sulphated ash: | NMT 0.1% |
| Assay: | 99.0%-101.0% m/m |
