The United Nations Economic Commission for Europe UNECE has published the eleventh revised edition of the Globally Harmonized System of Classification and Labelling of Chemicals GHS Rev11 The update brings important changes to chemical classification hazard communication and climate related hazard categories to improve global chemical safety
What Is GHS
The GHS is a globally recognized system used to:
• Classify chemical hazards
• Communicate risks through labels and safety data sheets SDS
• Harmonize chemical safety regulations across countries and industries
It is widely adopted by regulators manufacturers and international bodies to ensure consistent transparent communication of chemical hazards
Key Updates in GHS Rev11
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Why It Matters
• Improves chemical safety through better hazard identification and clearer communication
• Promotes innovation with acceptance of non animal test methods
• Supports climate action by recognizing substances with global warming potential
• Facilitates trade by harmonizing regulatory language and reducing compliance complexity
Recommended Actions for Stakeholders
• Regulators should begin aligning national frameworks with GHS Rev11
• Industry must update SDSs labels and internal classification protocols
• Safety professionals should train staff on the new hazard categories and communication formats
Reference: Globally Harmonized System of Classification and Labelling of Chemicals GHS Eleventh Revised Edition
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