Use water spray, dry chemical, "alcohol resistant" foam, or carbon dioxide. Use water to keep fire-exposed containers cool.
National Fire Protection Association; Fire Protection Guide to Hazardous Materials. 14TH Edition, Quincy, MA 2010. 49-8.
/When fighting fire/ use self-contained breathing apparatus with a full facepiece operated in pressure-demand or other positive pressure mode.
Mackison, F. W., R. S. Stricoff, and L. J. Partridge, Jr. (eds.). NIOSH/OSHA - Occupational Health Guidelines for Chemical Hazards. DHHS(NIOSH) Publication No. 81-123 (3 VOLS). Washington, DC: U.S. Government Printing Office, Jan. 1981. 1.