International Maritime Dangerous Goods Codes

Class

Label

Definitions

1

Explosives.

2.1

Gases, flammable

2.2

Gases, non-flammable, non-toxic

2.3

Gases, toxic

3

Liquids, flammable

4.1

Solids, flammable

4.2

Substances liable to spontaneous combustion

4.3

Substances which, in contact with water, emit flammable  gases .

5.1

Oxidizing substances (agents)

5.2

Organic peroxides

6.1

Toxic substances

6.2

Infectious substances

7

Radioactive materials

8

Corrosives

9

Miscellaneous dangerous substances and articles