{
  "url": "https://openlegislation.uk/eu-regulation-2017-1278/annex",
  "json_url": "https://openlegislation.uk/eu-regulation-2017-1278/annex.json",
  "legislation": "eur/2017/1278",
  "legislation_title": "Commission Implementing Regulation (EU) 2017/1278 of 14 July 2017 approving 2-methylisothiazol-3(2H)-one as an existing active substance for use in biocidal products of product-type 11 (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2017-1278",
  "path": "annex",
  "kind": "annex",
  "number": null,
  "heading": null,
  "text": "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.\nCommon Name\nIUPAC NameIdentification Numbers\nMinimum degree of purity of the active substance\nDate of approval\nExpiry date of approval\nProduct type\nSpecific conditions\n2-methylisothiazol-3(2H)-one\nIUPAC Name:\n2-methylisothiazol-3(2H)-one\nEC No: 220-239-6\nCAS No: 2682-20-4\n950 g/kg\n1 January 2019\n31 December 2028\n11\nThe authorisations of biocidal products are subject to the following conditions:\n(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.\n(2) In view of the risks identified for the uses assessed, the product assessment shall pay particular attention to:\n(a) industrial and professional users;\n(b) surface water and soil for products used in large and small open recirculating cooling systems with direct emission to surface water.\nThe placing on the market of treated articles is subject to the following condition:\nThe 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.",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "footnote",
      "label": "f1",
      "text": "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."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2017/1278/annex",
    "retrieved_at": "2026-11-01T14:44:45.071858+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}