Upcoming GB active substance expiry dates


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

  • Cyclohexylhydroxydiazene 1-oxide, potassium salt (K-HDO) (CAS 66603-10-9 EC n/a) in product type 8

31 December 2022

  • (±)-5-amino-1-(2,6- dichloro-α,α,α,- trifluoro-p-tolyl)-4- trifluoromethylsulfinylpyrazole-3-carbonitrile (1:1) (Fipronil) (CAS 120068-37-3 EC 424-610-5) in product type 18

30 September 2023

Once the approvals expire, the active substances can no longer be used in biocidal products of the relevant product types in Great Britain.

Read More

HSE.gov.uk, 13-10-22
; https://www.hse.gov.uk/