| Glycerine 99.5% AR Specification | |
| Synonyms | Glycerol |
| Description | White to yellow crystalline powder |
| Assay (on anhydrous basis) | Min.99.5% |
| Chloride (Cl) | Max. 0.001% |
| Moisture | Max. 0.5% |
| Purity | Min. 99.5% |
| Individual impurities | Max. 0.1% |
| Solubility in water (% weight) | Soluble in water |
| color | To pass USP test |
| Fatty acid and esters | Max. 1.0ml of 0.5N NaOH consumed |
| Sulphate (SO4) | Max. 0.002% |
| Chlorine compound | Max. 0.003% |
| Residue on ignition | Max. 0.01% |
| Specific Gravity at 25°C | Min 1.249 |
| Total impurities | Max 1% |
| Individual impurities | Max 0.1% |
| Melting point/Freezing point (° C) | 20° C |
| Glycerine 98% Extra Pure - Specification | |
| Synonyms | Glycerol |
| Description | A clear, colourless or almost colourless, odourless; very hydroscopic, syrupy liquid |
| Assay | 98.0 – 101.0% |
| Clarity (50% w/v in distilled water) | Clear |
| Heavy metals (as Pb) | Max. 0.0005% |
| Aldehyde and reducing substance | To pass IP test |
| Purity | 98.0 – 101.0% |
| Solubility in water (% weight) | Soluble in water |
| Colour (10ml of 50% w/v solution diluted to 25ml) | Colorless |
| Refractive index | 1.470-1.475 |
| Acidity | Max. 0.2 ml of 0.1N NaOH required for 50ml of 50% w/vsolution |
| Alkalinity | Nil |
| Iron (Fe) | Max. 0.0004% |
| Chloride (Cl) | Max. 0.0025% |
| Sulphate (SO4) | Max. 0.0030% |
| Aldehyde and reducing substance | Passes test |