Tests | Specifications | Results |
Appearance | Clear colorless viscous liquid | A clear colorless,odourless; very hygroscopic syrupy liquid |
Assay (on anhydrous basis) | Min 99.5% | 99.90% |
Fatty acids and esters | Max 1.0 ml of 0.5N NaOH consumed | 0.9 ml of 0.5 N NaOH consumed |
Colour scale | To Pass USP test | Passes test |
Chloride (Cl) | Max 0.001% | 0.0001% |
Sulphate (SO4) | Max 0.002% | 0.0008% |
Chlorinated compounds | Max 0.003% | <0.003% |
Moisture content | Max 0.5% | 0.046% |
Heavy metal (as Pb) | Max 0.0005% | Nil |
Residue on ignition | Max 0.01% | 0.0014% |
Specific gravity (at 25°C) | Min 1.249 | 1.259 |
Total impurities (Chromatographic including Diethylene glycol) | Max 1.0% | <1.0% |
Individual impurities | Max 0.1% | <0.1% |