Class 1: Explosives;
Class 2: Gases; Class 3: Flammable liquids; Class 4: Flammable solids; substances liable to spontaneous combustion; substances which, in contact with water, emit flammable gases; Class 5: Oxidising substances and organic peroxides; Class 6: Toxic and infectious substances; Class 7: Radioactive material; Class 8: Corrosive substances; and Class 9: Miscellaneous dangerous substances and articles.