CASR |
: | ------ |
Molecular Formula |
: | ------ |
Molecular Weight |
: | ------ |
| Specifications | |
|---|---|
| Appearance: | Syrupy liquid, unctuous to the touch, colourless or almost colourless, clear, very hygroscopic. |
| Solubility: | Miscible with water and with ethanol (96%), slightly soluble in acetone, practically insoluble in fatty oils and in essential oils. |
| Identification A (By Refractive index, 20±0.5°C): | 1.449 to 1.455 |
| Identification B (By IR): | IR spectra of the sample should be concomitant with IR spectra of the corresponding standard. |
| Identification C (Relative density): | 1.221 to 1.232 |
| Appearance of solution: | The solution should be clear and colorless. |
| Acidity or alkalinity: | NMT 0.2ml of 0.1M sodium hydroxide should require to change the color of the indicator to pink. |
| Refractive index (20°C ± 0.5°C): | 1.449 to 1.455 |
| Aldehydes: | NMT 10ppm |
| Ester: | NLT 8.0mL of 0.1M hydrochloric acid should require to change the color of the indicator. |
| Related substances: Impurity A (Diethylene glycol): | NMT 0.1% |
| Related substances: Any other impurity with a retention time less than the retention time of glycerol: | NMT 0.1% |
| Related substances: Total of all impurities with retention times greater than the retention time of glycerol: | NMT 0.5% |
| Halogenated compounds: | NMT 30ppm |
| Sugars: | The solution should remain blue and no precipitate should form. |
| Chlorides: | NMT 10ppm |
| Water: | 12.0% to 16.0% |
| Sulfated ash: | NMT 0.01% |
| Assay: | 83.5% m/m to 88.5% m/m |
