IMO Classes

Class 1. Explosives

Class 2. Gases

Class 3. Flammable Liquids

Class 4.1. Flammable Solids or Substances

Class 4.2. Flammable solids

Class 4.3. Substances which, in contact with water, emit flammable gases

Class 5.1. Oxidizing substances (agents) by yielding oxygen increase the risk and intensity of fire

Class 5.2. Organic peroxides – most will burn rapidly and are sensitive to impact or friction

Class 6.1. Toxic substances

Class 6.2. Infectious substances

Class 7. Radioactive Substances

Class 8. Corrosives

Class 9. Miscellaneous dangerous substances and articles

IMO Classes