Class 1 Explosive substances and articles

Class 2 Gases, including compressed, liquified, and dissolved under pressure gases and vapors

Class 3 Flammable liquids

Class 4.1 Flammable solids, self-reactive substances, and solid desensitized explosives

Class 4.2 Substances liable to spontaneous combustion

Class 4.3 Substances which, in contact with water, emit flammable gases

Class 5.1 Oxidizing substances

Class 5.2 Organic peroxides

Class 6.1 Toxic substances

Class 6.2 Infectious substances

Class 7 Radioactive material

Class 8 Corrosive substances