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On 26 November 2025, the European Parliament and the Council of the European Union published Regulation (EU) 2025/2455, officially establishing a Common Data Platform on Chemicals. This Regulation take effect on January 1, 2026.
The primary goal of the Regulation is to fundamentally change how chemical safety data is managed and assessed across the Union by unifying currently siloed information, making it findable, accessible, interoperable, and reusable.
The Common data platform, to be primarily managed by European Chemicals Agency(ECHA), is designed to serve as a comprehensive evidence base. It will integrate data from nearly all relevant EU chemical legislation (70 acts in total) provided by ECHA, the European Food Safety Authority (EFSA), the European Medicines Agency (EMA), the European Environment Agency (EEA), and others. By January 2, 2029, the data platform should include at least the following datasets (set out in Annex IV):
Datasets supporting dedicated services, including IPCHEM (Information Platform for Chemical Monitoring), repository of reference values, information on regulatory processes, legal obligations, standard formats and controlled vocabularies
ECHA-managed datasets: REACH registrations, CLP inventory, biocidal products (BPR), drinking water (DWD)
EFSA-managed datasets: Open Food Tox, chemical monitoring data, food chain application dossiers, applications under PPWR
EEA-managed datasets: waterbase emissions, industrial emissions, air pollutants emissions
EMA-managed datasets: human medicinal products data and veterinary medicinal products data
Study Notifications
Other relevant datasets, including chemical data generated before January 1, 2026, should be progressively incorporated into the common data platform by January 2, 2036.
The Early Warning System for Emerging Risks
The platform features an Early Warning and Action System for emerging chemical risks. The European Environment Agency (EEA) is responsible for compiling data on early warning signals from monitoring data, targeted researches, and data identified by ECHA, EFSA, EU-OSHA and EMA, and publish an annual report. The first report is due on July 2, 2027.
Mandatory Study Notifications
Business operators are required to notify ECHA when commissioning any new scientific study intended for a regulatory purpose (such as risk assessment). Businesses shall report the study title, scope, and the testing facility without undue delay after commissioning. By November 2, 2027, the ECHA shall establish a Database of Study Notifications, which will also be incorporated into the common data platform.
Human Biomonitoring
The platform mandates the systematic collection and integration of human biomonitoring data generated across the EU. The ECHA and EFSA are tasked to commission a Union-wide human biomonitoring study by January 2, 2030.
