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Globally Harmonized System of Classification and Labelling of Chemicals (GHS, Rev. 9, 2021)

cover ghs rev9

The electronic version of GHS Rev.9, available for free for consultation purposes is available here.

Printed versions and electronic editable versions are available for sale at the United Nations Publications section at: Requests to reproduce excerpts or to photocopy should be addressed to the Copyright Clearance Center at