Glycerol also called glycerine or glycerin, it's a simple polyol compound. It is a colorless, odorless, viscous liquid that is sweet-tasting and non-toxic. 1. Product Character: Colorless Transparent Liquid 2. Color (APHA): 20 max 3. Glycerin Content (%): 99.5% min 4. Specific Gravity: 1.2607 min 5. Moisture: 0.5 max 6. Fatty Acid & Ester (ml): 1.0 max 7. Chloride: 0.001 max 8. Sulphates (%): 0.002 max 9. Heavy Metal (Pb): 0.0005 max 10. Ash (%): 0.01max