CASR |
: | 84-66-2 |
Molecular Formula |
: | C12H14O4 |
Molecular Weight |
: | 222.24 |
| Specifications | |
|---|---|
| Description: | Clear, colourless or very slightly yellow, practically odorless, oily liquid. |
| Solubility: | Practically insoluble in water, miscible with ethanol (96%), alcohol, ether and with other usual organic solvents. |
| Identification by Relative density, 20°C: | 1.117-1.121 |
| Identification (By Refractive index, 20±0.5°C): | 1.500-1.505 |
| Identification (By IR): | IR spectra of the sample should be concomitant with IR spectra of standard. |
| Identification (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 (By chemical test): | The solution becomes yellow or brownish-yellow and shows green fluorescence. |
| Appearance of solution: | The sample should be clear and not more intensely colored than reference solution Y6. |
| Specific gravity (20°C): | Between 1.118 to 1.122 |
| Related substances: | NMT 1.0% |
| Water: | NMT 0.2% |
| Residue on ignition: | NMT 0.02% |
| Acidity: | NMT 0.1ml of 0.1M sodium hydroxide is required to change the colour of the indicator to pink. |
| Assay: | 99.0%-101.0% m/m |
