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HSE Biocides ebulletin

Issued: 22 May 2024

This ebulletin contains information on regulating biocides in Great Britain (GB). 

The GB Biocidal Products Regulation (GB BPR) operates independently from the EU Biocidal Products Regulation (EU BPR), which applies in Northern Ireland.

Separate ebulletins containing information specific to regulating biocides in Northern Ireland are issued as appropriate.

Upcoming GB active substance expiry dates

Biocidal products must be phased off the GB market

The active substance/product type combinations listed below are due to expire under the GB BPR on the following dates:

• 1-[[2-(2,4-dichlorophenyl)-4-propyl-1,3-dioxolan-2-yl]methyl]-1H-1,2,4-triazole (Propiconazole) (CAS 60207-90-1 EC 262-104-4) in product type 9
  31 May 2025
  
  
• Carbon dioxide (CAS 124-38-9 EC 204-696-9) in product type 15
  31 May 2025
  
  
• Iodine (CAS 7553-56-2 EC 231-442-4) in product types 1, 4 and 22
  31 August 2025
  
  
• n-decanoic acid (Decanoic acid) (CAS 334-48-5 EC 206-376-4) in product types 18 and 19
  31 August 2025
  
  
• n-octanoic acid (Octanoic acid) (CAS 124-07-2 EC 204-677-5) in product type 18
  31 August 2025
  
  
• Polyvinylpyrrolidone iodine (CAS 25655-41-8 EC 607-771-8) in product type 1, 4 and 22
  31 August 2025
  
  

Once the approvals expire, 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.

If you hold an affected GB BPR product authorisation or Control of Pesticides Regulations (COPR) product approval, we will contact you about cancelling or revoking your authorisation or approval. You will have an opportunity to submit comments or additional information and we will take account of these when finalising our decision.

If you are aware of any disproportionate negative impacts that are likely to arise from the expiry of any of the active substance/product type combinations listed above, please contact us.

GB active substance expiry dates postponed

Active substance expiry dates postponed in GB until 31 January 2027

As previously updated, the active substance expiry dates for all biocidal active substance/product type combinations which expire between 1 January 2024 – 31 December 2026, are able to be postponed until 31 January 2027. The expiry date postponements are subject to a timely renewal application being submitted and accepted.

The requirements have now been met for the active substance/product type combinations listed below:

• Azoxystrobin (CAS 131860-33-8 EC 603-524-3) in product types 7, 9 and 10
  From 31 October 2025 to 31 January 2027
  
  
• Ethyl butylacetylaminopropionate (CAS 52304-36-6 EC 257-835-0) in product type 19
  From 31 October 2025 to 31 January 2027
  
  
• Transfluthrin (CAS 118712-89-3 EC 405-060-5) in product type 18
  From 31 October 2025 to 31 January 2027
  
  
• Nonanoic acid (CAS 112-05-0 EC 203-931-2) in product type 2
  From 30 September 2025 to 31 January 2027

If you want to supply new biocidal products containing these active substances, you can still apply for GB BPR product authorisation. New products (including new trade names) must not be supplied in GB until product authorisation is granted.

HSE will provide separate updates on the renewal decisions and future expiry date postponements captured within this overall decision when relevant.