Apply for active substance renewal by the deadlines to keep products on the GB market.
Under the GB Biocidal Products Regulation (GB BPR), active substance approvals will expire unless a renewal application is submitted to HSE at least 550 days before their expiry date.
The 550-day deadlines are coming up for the following active substance/product type combinations under GB BPR:
29 June 2026
- 2-bromo-2-(bromomethyl)pentanedinitrile (DBDCB) (CAS 35691-65-7 EC 252-681-0) in product type 6
- 2-octyl-2H-isothiazol-3-one (OIT) (CAS 26530-20-1 EC 247-761-7) in product type 8
- amines, N-C10-16-alkyltrimethylenedi-, reaction products with chloroacetic acid (ampholyt 20) (CAS 139734-65-9 EC 701-317-3) in product types 2, 3 and 4
- Bacillus amyloliquefaciens strain ISB06 (CAS N/A EC N/A) in product type 3
- biphenyl-2-ol (CAS 90-43-7 EC 201-993-5) in product type 3
- N-cyclopropyl-1,3,5-triazine-2,4,6-triamine (cyromazine) (CAS 66215-27-8 EC 266-257-8) in product type 18
- poly(oxy-1,2-ethanediyl), α-[2-(didecylmethylammonio)ethyl]- ω-hydroxy-, propanoate (salt) (Bardap 26) also known as: reaction mass of N,N-didecyl-N-(2-hydroxyethyl)-N-methylammonium propionate and N,N-didecyl-N-(2-(2-hydroxyethoxy)ethyl)-N-methylammonium propionate and N,N-didecyl-N-(2-(2-(2-hydroxyethoxy)ethoxy)ethyl)-N-methylammonium propionate (CAS N/A EC N/A) in product type 8
- N-(dichlorofluoromethylthio)-N′,N′-dimethyl-N-p-tolylsulfamide (tolylfluanid) (CAS 731-27-1 EC 211-986-9) in product type 7
28 September 2026
- fludioxonil (CAS 131341-86-1 EC 603-476-3) in product types 7, 9 and 10
28 September 2027
- 2-methyl-2H-isothiazol-3-one (MIT) (CAS 2682-20-4 EC 220-239-6) in product type 12
- margosa extract from cold-pressed oil of Azadirachata indica seeds without shells extracted with super-critical carbon dioxide (CAS 84696-25-3 EC 283-644-7) in product type 19
Any person, company or task force/consortium can support an active substance/product type combination for renewal – it doesn’t have to be the original supporter.
Check the GB Article 95 List to see who the original supporters were.
If any of these active substance/product type combinations are important to you, consider contacting your supplier to let them know.
If a renewal application is not submitted for the above active substance/product type combinations under GB BPR, the approvals will expire. This means the active substances will no longer be able to be used in biocidal products of the relevant product types in GB.
In addition articles treated with such products will no longer be able to be placed on the market in GB.
Stakeholders should note that biocides are in scope of the Sanitary and Phytosanitary (SPS) Agreement currently being negotiated between the UK and the EU. Once negotiations on the SPS Agreement have concluded, HSE will communicate further on any implications the Agreement has for the sector.
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