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Classification of hazardous products

Classification of hazardous products

The transport of hazardous materials is regulated by the European Agreement concerning the International Carriage of Dangerous Goods by Road, said "ADR".

Hazardous materials are classified into several categories:

(See the bottom of this table to find a summary in PDF of it and the table separation of hazardous materials to help you in your efforts)

Class of danger Type of danger Logo
1.1 Substances and articles which have a mass explosion hazard
1.2 Substances and articles which have a projection hazard but not a mass explosion
1.3 Substances and articles which have a fire hazard with a slight risk of blast or projection or both, without risk of mass explosion
1.4 Substances and articles which present only a slight risk in the event of ignition or initiation during transport. The effects are largely confined to the package and do not normally give rise to the projection of fragments of appreciable size or at a considerable distance. An external fire must not cause virtually instantaneous explosion of virtually the entire package.
1.5 Very insensitive substances having a mass explosion hazard which are so insensitive that in normal conditions of transport, there is very little probability of initiation or of transition from burning to detonation. The minimum requirement is such that they must not explode in the external fire test.
1.6 Extremely insensitive articles which do not have a mass explosion hazard. These objects contain only extremely insensitive detonating substances and demonstrate a negligible probability of accidental initiation or propagation.
2.1 Flammable gases
2.2 Non Flammable gases, non-toxic
2.3 Toxic gas
3 Flammable liquid
4.1 Flammable solids, self-reactive substances and desensitized explosives
4.2 Spontaneous combustion
4.3 Substances which, in contact with water, emit flammable gases
5.1 Oxidizers
5.2 Organic peroxides
6.1 Toxic substances
6.2 Infectious substances
7A Radioactive Materials
7B Radioactive Materials
7C Radioactive Materials
7E Radioactive Materials
8 Corrosive substances
9 Miscellaneous dangerous substances and objects



If you need to transport dangerous goods, this table will be useful to help you




You will find in this document the classification of dangerous goods, following the ADR standards.


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