A mixture of three isomers of xylene (C6H4(CH3)2), with a flash-point of 81 to 115ºF, that is toxic if inhaled or ingested; it is used chiefly as a solvent
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}