# Commission Regulation (EU) No 544/2011 of 10 June 2011 implementing Regulation (EC) No 1107/2009 of the European Parliament and of the Council as regards the data requirements for active substances (Text with EEA relevance) (repealed), Division 2.3.2

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

In the case of active substances which are solids or liquids, volatility (Henry’s law constant) of purified active substance must be determined or calculated from its water solubility and vapour pressure and be reported (in Pa × m3 × mol–1).

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Source: https://www.legislation.gov.uk/eur/2011/544/annex/part/A/division/2/division/2.3/division/2.3.2 (the official version)
Page: https://openlegislation.uk/eu-regulation-2011-544/annex/part-A/division-2/division-2.3/division-2.3.2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.