Mixture (REACH definition)
Last updated:
21 November 2025
•
3 min read
DEFINITION
Mixture (REACH Article 3 No. 2): A mixture, blend or solution composed of two or more substances – without any chemical reaction occurring between the components.
DeclarationMixture (REACH definition)
A mixture under the REACH Regulation is a combination of two or more substances – such as paints, varnishes, cleaning agents, or lubricants. Specific obligations apply to manufacturers and importers under REACH and CLP: mixtures must be classified and labelled in accordance with the CLP Regulation if they contain hazardous substances. In addition, REACH information duties may arise, for example with substances on the SVHC list (substances of very high concern) or restricted substances under Annex XVII. The correct distinction between a mixture and an article is critical, as different registration and notification obligations apply. turnus.ai assists compliance managers in answering mixture enquiries in customer questionnaires automatically and in compliance with REACH.
Key Points
- CLP Regulation: Determines classification and labelling for mixtures containing hazardous substances
- REACH Information Duties: May apply to mixtures containing SVHCs or Annex XVII substances
- Distinction from Articles: Mixtures are subject to different REACH obligations than articles
- Safety Data Sheet (SDS): Mandatory for hazardous mixtures along the supply chain
- Compliance Risk: Incorrect labelling or failure to communicate information can lead to liability and barriers to market access
Related Terms
On this page
→ Definition
→ Statement
→ Key points
→ Related terms
→ Sources
Relevant Blog Articles
How turnus.ai provides support
turnus.ai automates the answering of compliance questionnaires and customer inquiries with just a single click.



