ECHA’s New Chesar Platform
01.07.2026
What is the Chesar Platform?
The Chesar Platform is a platform developed by ECHA to simplify the completion and reporting of chemical risk assessments under REACH and the Biocidal Products Regulation.
Benefits of the Chesar Platform
- Structured and organised risk assessments
- Exposure estimation tools integrated into the platform
- Consistent reporting processes
- Effective management of updates occurring during the assessment process
- Automatic updating of calculations and regeneration of reports
Who Can Benefit from It?
REACH users can use Chesar in the following cases:
- When preparing chemical safety assessments,
- When generating Chemical Safety Reports,
- When preparing exposure scenarios.
Biocidal product users can benefit from Chesar in the following cases:
- When carrying out environmental exposure assessments,
- When carrying out risk assessments,
- When preparing a Risk Assessment Report.
How to Use the Chesar Platform
The Chesar Platform is accessible via ECHA Cloud Services. ECHA also provides information on how to use the platform in the webinar it has prepared.
ECHA recommends that companies start the transition process to the new platform. During this process, companies may review the user instructions, release notes and transition guide provided by ECHA.