UN Hazard codes
- Class 1 Explosive
- 1.1 Substances with
a mass explosion hazard
- 1.2 Substances
which present a projection hazard but no mass explosion hazard
- 1.3 Substances
which present both a fire hazard and a minor blast or projection hazard
(or both) but not a mass explosion hazard
- 1.4 No significant
hazard
- 1.5 Very
insensitive substances with a mass explosion hazard
- 1.6 Very
insensitive articles with no mass explosion hazard
- Class 2 Gases
- 2.1 Flammable gases
- 2.2 Non-flammable,
non-toxic gases
- 2.3 Toxic gases
- Class 3 Flammable liquids
- Class 4 Flammable solids
- 4.1 Flammable
solids, self-reactive substances and solid desensitized explosives
- 4.2 Materials
liable to spontaneous combustion
- 4.3 Substances
which, in contact with water, release flammable gases
- Class 5. Oxidizing
substances and organic peroxides
- 5.1 Oxidizing
agents
- 5.2 Organic
peroxides
- Class 6 Toxic and
infectious substances
- 6.1 Toxic
substances
- 6.2 Infectious
substances
- Class 7 Radioactive
substances and articles
- Class 8 Corrosive
substances
- Class 9 Miscellaneous
dangerous substances