ADR transport pictograms and hazard classes

Safety at work with chemicals


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Pictogram Class Hazard category
1.1 Explosive, subclass 1.1
Mass explosion hazard
1.2 Explosive, subclass 1.2
Projection hazard
1.3 Explosive, subclass 1.3
Fire hazard or minor projection hazard
1.4 Explosive, subclass 1.4
No significant hazard
1.5 Explosive, subclass 1.5
Very insensitive substances with mass explosion hazard
1.6 Explosive, subclass 1.6
Extremely insensitive articles with no mass explosion hazard
2.1 Flammable gases
2.2 Non-flammable, non-toxic gases
2.3 Toxic gases
3 Flammable liquids
4.1 Flammable solids, self-reactive substances and solid desensitized explosives
4.2 Substances liable to to spontaneous combustion
4.3 Substances which, in contact with water, emit flammable gases
5.1 Oxidizing substances
5.2 Organic Peroxides
6.1 Toxic substances
6.1 Poison
6.2 Infectious substances

7 Radioactive material
Category I
Category II
Category III
Criticality safety index label
8 Corrosive substances
9 Miscellaneous dangerous substances and articles