Hazard classes
ADR dangerous goods classes 1–9
ADR classification assigns every dangerous good on the road to one of 13 classes (1-9). Open a class to see typical UN numbers and rules.
Class 1
Explosives
Class 2
Gases
Class 3
Flammable liquids
Class 4.1
Flammable solids
Class 4.2
Spontaneously combustible
Class 4.3
Dangerous when wet
Class 5.1
Oxidising substances
Class 5.2
Organic peroxides
Class 6.1
Toxic substances
Class 6.2
Infectious substances
Class 7
Radioactive material
Class 8
Corrosive substances
Class 9
Miscellaneous