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Restriction proposal on chromium (VI) to cover more substances


The European Commission has requested ECHA to broaden the scope of the REACH restriction proposal to cover at least 12 chromium (VI) substances.

Helsinki, 8 May 2024 – ECHA has received an updated mandate from the Commission to prepare a proposal for a possible restriction on chromium (VI) substances. This update complements the original request from September 2023, which focused on two entries currently listed on the REACH Authorisation List, namely chromium trioxide (entry 16) and chromic acids (entry 17).

The updated mandate now includes the chromium (VI) substances specified in entries 16 to 22 and 28 to 31 of the REACH Authorisation List. In addition, ECHA has been requested to consider in the restriction proposal other chromium (VI) substances not listed on the Authorisation List, in particular barium chromate (EC number 233-660-5). These substances may pose risks to workers and the public if used as substitutes for chromium (VI) substances subject to authorisation.

Given the wider scope, ECHA will submit the restriction proposal by 11 April 2025, instead of the originally planned date of 4 October 2024.

ECHA will launch a second call for evidence to support the preparation of the proposal in June. Questions will cover a broad range of topics such as alternatives to chromium (VI) substances and how chromium (VI) is used in spraying applications. Any information provided by stakeholders during the first call for evidence will be considered and does not need to be resubmitted. ECHA will organise a webinar on 6 June 2024 to discuss the main outcomes of the first call for evidence and highlight the additional data requested in the second call. 

The preparation of the restriction proposal and its evaluation by RAC and SEAC will follow the standard REACH restrictions process. In preparing the proposal, ECHA will consider the knowledge and experience it has gained from processing applications for authorisation for these substances.

Press contact: Hanna-Kaisa Torkkeli,, +358 50 416 8585