Deadline: 29 August 2025 HSE has received an application for authorisation for the following substance/use: -
Reference: AFA069-01 Applicant: AB Connectors Limited
Application type: Initial
Substance: Chromium trioxide
Use: Industrial application of a mixture containing chromium trioxide for the surface treatment of mechanical parts, electrical connectors and associated components meeting the relevant standards and requirements for challenging environments and / or high safety applications.
View the consultation: Applications for authorisation AFA069-01
Article 64 in the UK REACH Regulation makes provisions for HSE to obtain and use additional information on possible alternatives or technologies as part of the opinion forming process.
Any third parties with an interest in the application are strongly encouraged to share any relevant information. Scientific and technical information on possible alternatives or technologies should be submitted directly to HSE using the commenting webform and templates by 29 August 2025. Non-confidential information will be published on HSEâs website. Visit HSE's website for details of the adopted opinions, granted UK REACH authorisations and in-progress applications. If you have any questions relating to this ebulletin, please contact us. | 
