It is mainly the dispatcher or the producer who is responsible for classification of materials and things on the basis of their chemical properties, for the conditions of packing and labelling the consignments, for labels and safety marks (stickers) on consignments.
| Class | Name |
|---|---|
| 1 | Explosive substances and articles |
| 2 | Gases |
| 3 | Flammable liquids |
| 4.1 | Flammable solids, self-reactive substances and solid desensitised explosives |
| 4.2 | Substances liable to spontaneous combustion |
| 4.3 | Substances which, in contact with water, emit flammable gases |
| 5.1 | Oxidizing substances |
| 5.2 | Organické peroxidy |
| 6.1 | Toxic substances |
| 6.2 | Infectious substances |
| 7 | Radioactive material |
| 8 | Corrosive substances |
| 9 | Miscellaneous dangerous substances and articles |