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UNECE

International framework · International

Globally Harmonized System — Revision 11 (2025)

UNECE's 2025 revision of the GHS model for chemical hazard classification and communication.

Open official source

Official source: https://unece.org/transport/dangerous-goods/ghs-rev11-2025

Before you use this resource

National and regional adoption varies. Use the version implemented by the destination jurisdiction.

What it helps you find

  • Hazard communication

Product guides: Chemicals.

Responsible body / source publisher

UNECEUNECE →United Nations Economic Commission for Europe

GHS is implemented through national or regional law; publication of a UN revision does not automatically change every market's rules.

Related marks & symbols

Open the artwork guide and check the exact mark before using it.

GHS Flame over Circle →GHS Flame →GHS Exploding Bomb →GHS Skull and Crossbones →GHS Corrosion →GHS Gas Cylinder →GHS Health Hazard →GHS Environment →GHS Exclamation Mark →