Glycerine
Refined Glycerine,Glycerol
PROPERTIES & USAGE | ||
Properties | Usage | |
Chemical formula | C3H8O3 | Food industry |
Molar mass | 92.09 g·mol−1 | Pharmaceutical and personal care applications |
Boiling point | 290 °C (554 °F; 563 K | Antifreeze |
Density | 1.261 g/cm3 | Botanical extracts |
Melting point | 17.8 °C (64.0 °F; 290.9 K) | Electronic cigarette liquid |
Chemical intermediate | ||
Film Industry | ||
Internal Combustion Fuel |
SPECIFICATION | ||||
Specification | : | USP Grade | ||
Assay ( % Glycerine on Anhydrous Basis) USP Method | : | 99.7 % min | 99.5 min | 97% Min |
Specific Gravity, 25/25oC | : | 1.2613 min | 1.2566 Min | |
Water, % (KF Coulometer) | : | 0.30 max | ||
Color APHA (Orbeco Hellige Aqua Tester) | : | 10 max | 20max | 100 Max |
Residue on Ignition, % (USP Method 281) | : | 0.01 max | ||
Chlorides, ppm (USP Method 221) | : | 10 max | 0.001% max | |
Sulphates, ppm (USP Method 221) | : | 20 max | 0.01 % max | |
Heavy metals, ppm as Pb (USP Method 231) | : | 5 max | ||
Chlorinated Compound, ppm as Cl (USP) | : | 30 max | ||
Organic Impurities : | : | |||
- Individual Impurities, % | : | 0.1 max | ||
- Total Impurities, % | : | |||
USP Method 467 | : | 1.00 max | ||
Fatty Acid & Esters, ml 0.5 N NaOH USP Method 541 | : | 1 max | ||
Identification by IR USP | : | Infrared Spectrum | ||
Diethylene Glycol (DEG), | : | |||
Related Compounds, % USP | : | 0.10 max | ||
Odour Sensory | : | Odourless | ||
Acidity or alkalinity | : | 0.1 mmol/100g max | ||
Saponificationa value | : | 1.00 (mmol/100g) max | ||
As content | : | 5ppm max | ||
Heavy metal Pb | : | 5ppm max | ||
Density (20℃)g/ml ≥ | : | 1.2598max |