Deadline: 30 May 2025 The Great Britain Mandatory Classification and Labelling (GB MCL) process includes the consideration of information gathered from public consultations, conducted by HSE or international bodies such as the European Chemicals Agency (ECHA). ECHA has announced public consultations on the following proposals for harmonised classification and labelling (CLH): - 1-(5,6,7,8-tetrahydro-3,5,5,6,8,8-hexamethyl-2-naphthyl)ethan-1-one (EC: 216-133-4; 244-240-6; CAS: 1506-02-1; 21145-77-7). Chemical registered under REACH. Health and environment hazard classes open for commenting
- 2-butanone-O,O',O''-(phenylsilylidyne)trioxime (EC: 433-360-6; CAS: 34036-80-1). Chemical registered under REACH. Health and environment hazard classes open for commenting
- butan-2-one O,O',O''-(methylsilylidyne)trioxime [1]; butan-2-one O,O',O''-(vinylsilylidyne)trioxime [2]; butan-2-one O,O',O'',O'''-silanetetrayltetraoxime [3] (EC: 245-366-4 [1]; 218-747-8 [2]; 251-882-0 [3]; CAS: 22984-54-9 [1]; 2224-33-1 [2]; 34206-40-1 [3]). Chemicals registered under REACH. Health hazard classes open for commenting
View the consultations on the ECHA website.
UK-based businesses with an interest in the proposal are strongly encouraged to share any relevant information. Scientific and technical information should be submitted directly to ECHA using their commenting webform by 30 May 2025. Comments will be published on ECHA's website. If your business is affected by the GB CLP Regulation, consider if you are likely to be impacted by the classification and labelling proposals. Let us know at an early stage if you anticipate any significant impacts or benefits. Information on wider policy and impact considerations can be submitted to HSE at [email protected]. Under the GB CLP Regulation, HSE will consider all published opinions of the Committee of Risk Assessment (RAC) of ECHA before publishing its own Agency Technical Reports and Agency Opinions. More information on the new GB MCL system is available on the HSE website. | 
