News Details
UNECE publishes 11th Revised Edition of GHS
Update: On 12 September 2025, the United Nations Economic Commission for Europe (UNECE) published the eleventh revised edition of the GHS (GHS Rev. 11) i.e. Globally Harmonized System of Classification and Labelling of Chemicals on the portal. The electronic version of GHS Rev. 11 is available online for free consultation in three official UN languages (English, French, and Spanish).
Original Text:
On 16 July 2025, the United Nations Economic Commission for
Europe (UNECE) announced amendments to the Globally Harmonized
System of Classification and Labelling of Chemicals (GHS). The amendments
to the tenth revised edition of the GHS were approved by the UN Committee of
Experts on the Transport of Dangerous Goods and on the GHS at its twelfth
session on 6 December 2024. They will form the basis of the upcoming eleventh
revised edition of the GHS.
The tenth revised edition of the GHS was released on 27 July 2023 on the UNECE portal. More details can be found here.
Key Updates from the UN Purple Book 2025
- Aerosols and Chemicals under Pressure (Chapter 2.3): New provisions provide clearer criteria for the classification of aerosols and chemicals under pressure, ensuring consistency in hazard communication.
- Aerosols and Chemicals under Pressure (Chapter 2.3):
- Skin Sensitization (Chapter 3.4): Introduces new guidance supporting classification based on non-animal test methods, advancing animal-free toxicology approaches.
- Skin Sensitization (Chapter 3.4):
- Global Warming Hazards (Chapter 4.2): Classification criteria are added for substances and mixtures that are hazardous due to their contribution to global warming, reflecting environmental hazard concerns.
- Global Warming Hazards (Chapter 4.2):
- Precautionary Statements: Enhanced rationalization of precautionary statements to improve clarity for users and usability for labelling professionals.
- Precautionary Statements:
- Annex 11 – Simple Asphyxiants: A new section provides guidance for identifying simple asphyxiants to help ensure their proper recognition and risk management.
- Annex 11 – Simple Asphyxiants:
The electronic version of GHS Rev. 11 will be available for free on the portal in September 2025.
We acknowledge that the above information has been compiled from United Nations Economic Commission for Europe (UNECE) - United Nations.
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