Renewal of the approval of the active substance
Article 1
The approval of the active substance 2,4-DB is renewed as set out in Annex I.
Commission Implementing Regulation (EU) 2017/1491 of 21 August 2017 renewing the approval of the active substance 2,4-DB in accordance with Regulation (EC) No 1107/2009 of the European Parliament and of the Council concerning the placing of plant protection products on the market, and amending the Annex to Commission Implementing Regulation (EU) No 540/2011 (Text with EEA relevance. )
Data as of 2026-07-04 · Compiled from an official source version. Later amendments or repeals may not be reflected; the official text prevails. · Read the official text ↗
Renewal of the approval of the active substance
The approval of the active substance 2,4-DB is renewed as set out in Annex I.
Amendments to Implementing Regulation (EU) No 540/2011
The Annex to Implementing Regulation (EU) No 540/2011 is amended in accordance with Annex II to this Regulation.
Entry into force and date of application
This Regulation shall enter into force on the twentieth day following that of its publication in the Official Journal of the European Union . It shall apply from 1 November 2017.
ANNEX I Common Name, Identification Numbers IUPAC Name Purity ( 1 ) Date of approval Expiration of approval Specific provisions 2,4-DB CAS No 94-82-6 CIPAC No 83 4-(2,4-dichlorophenoxy) butyric acid ≥ 940 g/kg Impurities: Free phenols (expressed as 2,4-dichlorophenol (2,4-DCP)): max. 15 g/kg. Dibenzo- p -dioxins and polychlorinated dibenzofurans (TCDD toxic equivalents (TEQ)): max. 0,01 mg/kg. 1 November 2017 31 October 2032 For the implementation of the uniform principles, as referred to in Article 29(6) of Regulation (EC) No 1107/2009, the conclusions of the review report on 2,4-DB, and in particular Appendices I and II thereof, shall be taken into account. In this overall assessment Member States shall pay particular attention to: — the protection of operators and workers, — the protection of consumers from products of animal origin, — the protection of wild mammals, — the protection of soil non-target organisms, — the protection of aquatic organisms, — the protection of non-target terrestrial plants. Conditions of use shall include risk mitigation measures, where appropriate. ( 1 ) Further details on identity and specification of active substance are provided in the review report.
ANNEX II The Annex to Implementing Regulation (EU) No 540/2011 is amended as follows: (1) in Part A, the entry 47 on 2,4-DB is deleted; (2) in Part B, the following entry is added: Number Common Name, Identification Numbers IUPAC Name Purity ( 1 ) Date of approval Expiration of approval Specific provisions ‘116 2,4-DB CAS No 94-82-6 CIPAC No 83 4-(2,4-dichlorophenoxy) butyric acid ≥ 940 g/kg Impurities: Free phenols (expressed as 2,4-dichlorophenol (2,4-DCP)): max. 15 g/kg. Dibenzo- p -dioxins and polychlorinated dibenzofurans (TCDD toxic equivalents (TEQ)): max. 0,01 mg/kg. 1 November 2017 31 October 2032 For the implementation of the uniform principles, as referred to in Article 29(6) of Regulation (EC) No 1107/2009, the conclusions of the review report on 2,4-DB, and in particular Appendices I and II thereof, shall be taken into account. In this overall assessment Member States shall pay particular attention to: — the protection of operators and workers, — the protection of consumers from products of animal origin, — the protection of wild mammals, — the protection of soil non-target organisms, — the protection of aquatic organisms, — the protection of non-target terrestrial plants. Conditions of use shall include risk mitigation measures, where appropriate.’ ( 1 ) Further details on identity and specification of active substance are provided in the review report.
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