Europe standard Hazard pictograms for labeling – Europe UE 67/548/EEC, 1999/45/EC Hazard pictogram & mention, code Substances examples TNT, acetone peroxide, nitroglycerin, picric acid Explosive (E) Hydrogen, acetylene, propane, butane, diethyl ether, carbon disulfide, acetaldehyde Extremely Flammable (F+) Ethanol, acetone, gasoline, hexamine, methanol Highly Flammable (F) Oxygen, potassium nitrate, hydrogen peroxide, nitric acid, potassium permanganate Oxidizing (O) Sulfuric acid, TNT, Nitroglycerin, carbon disulfide, methanol, ammonia, formaldehyde Toxic (T) Prussic acid, nicotine, carbon monoxide, white phosphorus Very toxic (T+) Hexamine, butane, naphtha, acetaldehyde Harmful (Xn) Sodium hypochlorite, acetone, ethanol Irritant (Xi) Sulfuric acid, Nitric acid, sodium hydroxide, ammonia, White phosphorus Corrosive (C) Sulfuric acid, turpentine, lead, mercury, Crude oil Dangerous for the environment(N)