UNECE | Globally Harmonized System of Classification and Labelling of Chemicals (GHS, Rev.8)


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The GHS addresses classification of chemicals by types of hazard and proposes harmonized hazard communication elements, including labels and safety data sheets. It aims at ensuring that information on physical hazards and toxicity from chemicals be available in order to enhance the protection of human health and the environment during the handling, transport and use of these chemicals.

The GHS also provides a basis for harmonization of rules and regulations on chemicals at national, regional and worldwide level.

This eighth revised edition of the GHS contains various new or revised provisions including, inter alia, new classification criteria, hazard communication elements, decision logics and guidance for chemicals under pressure; new provisions for the use of in vitro/ex vivo data and non-test methods to assess skin corrosion and skin irritation; miscellaneous amendments to clarify the classification criteria for Specific Target Organ Toxicity; revised and further rationalized precautionary statements and an editorial revision of Sections 2 and 3 of Annex 3; new examples of precautionary pictograms to convey the precautionary statement “Keep out reach of children”; a new example in Annex 7 addressing labelling of sets or kits; guidance on the identification of dust explosion hazards and the need for risk assessment, prevention, mitigation, and hazard communication.

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