Have your say: revisions to the Categorisation Guidelines in 2026

This consultation closed on 28 January 2026.

What’s this about?

As part of our annual update to the Industrial Chemicals Categorisation Guidelines (Guidelines), we have compiled all the upcoming changes to the Guidelines in September 2026, including some proposals that are open for public comments. 

This consultation covers the following topics:

• Updates to the list of chemicals with high hazards for categorisation (for information only)
• High hazard salts and esters (open for comment)
• Single definition for 'chemical identity holder' (open for comment)
• Updated links and minor editorial changes (for information only)
   

Have your say

We invite your comments on the proposed Guideline changes by 28 January 2026.