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Glycerine

Refined Glycerine,Glycerol
Production Information
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