DANGER! Flammable gas - May cause flash fire . May cause allergic skin reaction . May cause allergic respiratory reaction . May cause eye irritation . May cause skin irritation . Vapor reduces oxygen available for breathing . May cause anesthetic effects. May cause respiratory tract irritation . Vapors may travel a long distance ; ignition and/or flash back may occur. Evacuate area . Keep upwind of spill . Stay out of low areas. Aerosol cans exposed to fire can rupture becoming flaming projectiles. Elevated temperatures can cause hazardous polymerization . Toxic fumes may be released in fire situations . Contents under pressure . Avoid temperatures above 49 C ( 120.2 F)