Information

 

Class Sub-Class Symbol
Class 2 – Gases Class 2.1 Flammable Gases
Class 2.2 Non-flammable, Non-toxic gases
Class 2.3 Poisonous gas
Class 3 – Flammable liquids
Class 4 – Flammable solids Class 4.1 Flammable solids, self-reactive and related substances and desensitised explosives
Class 4.2 Spontaneously combustible image007
Class 4.3 Dangerous when wet image008
Class 5 – Oxidising substances
Class 5.1 Oxidising agent
Class 5.2 -Organic peroxides (liquid or solid)
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Class 6.1 Poisons image011
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Class 6.2 Infectious substances image013
Class 8 – Corrosives
Class 9 –Miscellaneous goods image015

Hazchem (UK Hazard Identification System) is a UK system for managing chemicals and information. The most obvious manifestation are the boards carried by vehicles transporting chemicals, which state the possible hazard they present, e.g. corrosive or flammable.

The boards contain the UN recognised product number for identification, emergency response codes for pre-hospital personnel and a 24-hour contact number for more information.

Toxbase and National Poisons Information Service are also useful which has a compendium of chemical hazards commissioned by Public Heath England

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