May be fatal or cause blindness if swallowed. Inhalation Of Vapor May Cause Death. Skin and eye irritant. May be fatal if used in enclosed and unventilated areas. Use outdoors if possible. If you must use indoors, open all windows and outside doors, use only with moving fresh air cross ventilation over the work area and across floor. Keep away from heat and flames. Vapors flow along floors, under doors and on contact with flame or hot surface, may produce toxic poisonous gas and destroy metals. Protect face and eyes. Wear solvent resistant gloves. Do not use to strip bathtubs.