5 March 2026
Outcome of consultation
Preview of upcoming changes to the
2026 categorisation guidelines
Thank you to everyone who provided feedback during the consultation. We've finalised planned changes to the AICIS Industrial Chemicals Categorisation Guidelines which will take effect in September 2026.
Key changes:
- List of chemicals with high hazards for categorisation: 293 new entries and updates to 122 existing entries.
- Addition of 5 chemicals to part 6.5.2 of the Guidelines: Information required to demonstrate the absence of developmental toxicity.
- Revised definition of 'chemical identity holder'.
Download the latest list of chemicals on the Inventory
Our 9 January 2026 snapshot of all the chemicals on the Inventory is available as an Excel file (.xlsx).
For up-to-date information, search for chemicals on the Inventory to check regulatory obligations related to importing or manufacturing those chemicals.
The downloadable Inventory does not contain links to chemical assessment reports. You can search for assessments or evaluations.
AICIS coming soon to LinkedIn
We're preparing to launch our AICIS LinkedIn page! Get ready to follow us for:
- regulatory updates
- information about our scheme
- helpful compliance tips
- important date reminders
Stay tuned for an announcement on our website.
Inventory notices
Chemical added to the Inventory 5 years after issue of assessment certificate
CAS number: 1072005-10-7
Chemical added to the Inventory 5 years after issue of assessment certificate
CAS number: 3113590-25-0
Variation of Inventory listing following revocation of CBI approval
CAS number: 403656-24-6
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