Does the substance have a harmonized classification?
What to do when a substance has a harmonized CLP classification?
Practical sheet REF: FIC0161 V2
Does the substance have a harmonized classification?
What to do when a substance has a harmonized CLP classification?

Author : Gautier VINCENT

Publication date: June 10, 2026 | Lire en français

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1. Does the substance have a harmonized classification?

The harmonized classification of a substance can be found on the website ECHA-CHEM using the following information: its main identification numbers (CAS No., EC No., index No.) and its chemical name.

To find your way to the search engine, follow the step-by-step instructions in the ECHA-CHEM Site Guide at [FIC 0161] .

Warning

There are general entries in Annex VI (e.g.,...

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