A clear, colorless, odorless, syrupy liquid (HOCH2CHOHCH2OH) with a sweet taste, a flash point of 320°F, and an ignition temperature of 698°F, that has a low toxicity and is combustible. See: Glycerol, Glycyl Alcohol, 1,2,3-Propanetriol
Ralph W. Burklin & Robert G. Purington, Fire Terms: A Guide to Their Meaning and Use, National Protection Association, Boston, MA 1980 USA. (Guide: Meaning and Use, Nat Prot Association Fr Srvc - Amer) {457}