Article 1
2-methylisothiazol-3(2H)-one is approved as an active substance for use in biocidal products of product-type 12, subject to the specifications and conditions set out in the Annex.
Commission Implementing Regulation (EU) 2017/2004 of 8 November 2017 approving 2-methylisothiazol-3(2H)-one as an existing active substance for use in biocidal products of product-type 12 (Text with EEA relevance. )
Commission Implementing Regulation (EU) 2017/2004 of 8 November 2017 approving 2-methylisothiazol-3(2H)-one as an existing active substance for use in biocidal products of product-type 12 (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 ↗
Article 2
This Regulation shall enter into force on the twentieth day following that of its publication in the Official Journal of the European Union .
Supplementary provisions
ANNEXSupplementary provisions
ANNEX Common Name IUPAC Name Identification Numbers Minimum degree of purity of the active substance ( 1 ) Date of approval Expiry date of approval Product type Specific conditions 2-methylisothiazol-3(2H)-one IUPAC Name: 2-methylisothiazol-3(2H)-one EC No: 220-239-6 CAS No: 2682-20-4 950 g/kg 1 April 2019 31 March 2029 12 The authorisations of biocidal products are subject to the following conditions: 1. The product assessment shall pay particular attention to the exposures, the risks and the efficacy linked to any use covered by an application for authorisation, but not addressed in the Union-level risk assessment of the active substance. 2. In view of the risks identified for the uses assessed, the product assessment shall pay particular attention to: (a) industrial and professional users; (b) surface water and sewage treatment plants. The placing on the market of treated articles is subject to the following condition: The person responsible for the placing on the market of a treated article treated with or incorporating 2-methylisothiazol-3(2H)-one shall ensure that the label of that treated article provides the information listed in the second subparagraph of Article 58(3) of Regulation (EU) No 528/2012. ( 1 ) The purity indicated in this column was the minimum degree of purity of the active substance evaluated. The active substance in the product placed on the market can be of equal or different purity if it has been proven to be technically equivalent to the evaluated active substance.
Other acts of the same type
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