CASR |
: | 56-81-5 |
Molecular Formula |
: | (CH2OH)2CHOH |
Molecular Weight |
: | 92.09 |
| Specifications | |
|---|---|
| Description: | A Clear, Colorless or almost colorless, syrupy liquid; hygroscopic. |
| Solubility: | Miscible with water & with ethanol (95%) slightly soluble in acetone ; practically insoluble in ether and in fixed oils & volatile oils. |
| Identification by IR: | IR spectra of the sample solution should be concomitant with the reference spectrum of glycerin. |
| Identification (By Refractive index, 20 ± 0.5°C): | 1.470 to 1.475 |
| Identification (By Relative density): | 1.258 to 1.268 |
| Appearance of solution: | Solution should be colourless. |
| Acidity or Alkalinity: | Not more than 0.2 mL of 0.1 M sodium hydroxide should require to produce a pink colour. |
| Chloride (Cl): | NMT 10ppm |
| Aldehydes: | NMT 10ppm |
| Ester: | NLT 8.0ml of 0.1M hydrochloric acid should require to decolorise the solution. |
| Halogenated compounds: | NMT 35ppm |
| Related substances (Diethylene glycol): | NMT 0.1% |
| Related substances (ethylene glycol): | NMT 0.1% |
| Related substances (Any impurity): | NMT 0.1% |
| Related substances (Total impurity): | NMT 1.0% |
| Sugars: | The solution should remain blue and no precipitate should produce. |
| Heavy metals: | NMT 5ppm |
| Sulphated ash: | NMT 0.01% |
| Water: | NMT 2.0% |
| Assay (on Anhydrous basis): | 98.0% - 101.0% |
