# Commission Regulation (EU) No 283/2013 of 1 March 2013 setting out the data requirements for active substances, 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 (Text with EEA relevance), Division 1.10.2: Significant impurities

Extent: E+W+S+N.I.

Impurities present in quantities of 1 g/kg or more shall be considered as significant. For significant impurities the following information, where relevant, shall be provided:
(a)chemical name in accordance with IUPAC and CA nomenclature;
(b)ISO common name or proposed common name, if available;
(c)CAS number, EC number;
(d)molecular and structural formula;
(e)molar mass; and
(f)maximum content in g/kg.
Information on how the structural identity of the impurities was determined shall be given.

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Source: https://www.legislation.gov.uk/eur/2013/283/annex/section/1/division/1.10/division/1.10.2 (the official version)
Page: https://openlegislation.uk/eu-regulation-2013-283/annex/section-1/division-1.10/division-1.10.2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.