Class 1 to 9

Dangerous goods

Dangerous goods hazard classes

The nine UN categories that group dangerous goods by the kind of hazard they pose.

In practice

1 Explosives; 2 Gases; 3 Flammable liquids; 4 Flammable solids; 5 Oxidisers and organic peroxides; 6 Toxic and infectious; 7 Radioactive; 8 Corrosives; 9 Miscellaneous (including lithium batteries and environmentally hazardous substances). Some classes have divisions, such as 2.1 flammable gas. The class determines the label, stowage, and segregation.

Seen in the wild

Class 3 flammable liquid, PG II, flashpoint 23 degC.

Also writtenclass 1 · class 2 · class 3 · class 4 · class 5 · class 6 · class 7 · class 8 · class 9 · hazard class · dg class · imo classModeallRegionglobal

Class 1 to 9

In practice

Seen in the wild

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