# Regulation (EC) No 648/2004 of the European Parliament and of the Council of 31 March 2004 on detergents (Text with EEA relevance), Division 4.3.3: Isopropanol/water mixture (50/50 v/v):

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

50 parts by volume isopropanol, CH3CHOH.CH3, and
50 parts by volume water (4.3.1)

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Source: https://www.legislation.gov.uk/eur/2004/648/annex/VIII/division/4/division/4.3/division/4.3.3 (the official version)
Page: https://openlegislation.uk/eu-regulation-2004-648/annex-VIII/division-4/division-4.3/division-4.3.3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.