A gas at room temperature (C2H5C1) that is moderately toxic and irritating to the eyes, that has an ignition temperature of 966oF, and a flammable range of (3)8 percent to 15. 4 percent
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}