On November 4, 2025, the UK Health and Safety Executive (HSE) proposed adding three reproductive toxic substances to the Authorization List (Annex 14) under the UK REACH regulation and launched a public consultation on the proposal. This marks the first addition of substances to the authorization list since the UK’s exit from the European Union (Brexit).
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Material name EC number CAS Registry Number SVHC properties Latest Application Date (LAD) Sunset date DOTE（2-ethylhexyl 10- ethyl-4,4-dioctyl-7-oxo-8- oxa-3,5-dithia-4- stannatetradecanoate） 239-622-4 15571-58-1 Reproductive toxicity (Article 57c) the date of inclusion in Annex 14 Plus 18, 21 or 24 months Latest application date plus 18 months Reaction mass of DOTE and MOTE - - Reproductive toxicity (Article 57c) the date of inclusion in Annex 14 Plus 18, 21 or 24 months Latest application date plus 18 months Tetraethyllead 201-075-4 78-00-2 Reproductive toxicity (Article 57c) the date of inclusion in Annex 14 Plus 18, 21 or 24 months Latest application date plus 18 months |
Second Batch of Potential Regulatory Substances Disclosed
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Material name EC number CAS Registry Number Reaction products of 1,3,4- thiadiazolidine-2,5-dithione, formaldehyde and 4- heptylphenol, branched and linear (RP- HP) [with ≥ 0.1% w/w 4-heptylphenol, branched and linear] No single EC number. Representative identifiers include 939-460-0 and 300-298-5. No single CAS number. Representative identifiers include 1471311-26-8 and 93925-00-9 4,4’-bis(dimethylamino)-4”-(methylamino)trityl alcohol [with ≥ 0.1% of Michler's ketone (EC No. 202-027-5) or Michler's base (EC No. 202-959-2)], 209-218-2 561-41-1 |
The public consultation period will remain open until February 4, 2026. During this time, companies operating in the UK are required to provide localized information on the substances’ current uses, exposure scenarios, potential exemptions, and the availability and feasibility of safer alternatives.
