# Regulation (EC) No 1272/2008 of the European Parliament and of the Council of 16 December 2008 on classification, labelling and packaging of substances and mixtures, amending and repealing Directives 67/548/EEC and 1999/45/EC, and amending Regulation (EC) No 1907/2006 (Text with EEA relevance), Division 2.8.2.1: Any self-reactive substance or mixture shall be considered for classification in this class as a self-reactive substance or mixture unless:

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

(a) they are explosives, according to the criteria given in 2.1;
(b) they are oxidising liquids or solids, according to the criteria given in 2.13 or 2.14, except that mixtures of oxidising substances, which contain 5 % or more of combustible organic substances shall be classified as self-reactive substances according to the procedure defined in 2.8.2.2;
(c) they are organic peroxides, according to the criteria given in 2.15;
(d) their heat of decomposition is less than 300 J/g; or
(e) their self-accelerating decomposition temperature (SADT) is greater than 75 oC for a 50 kg package.

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Source: https://www.legislation.gov.uk/eur/2008/1272/annex/I/division/2/division/2.8/division/2.8.2/division/2.8.2.1 (the official version)
Page: https://openlegislation.uk/eu-regulation-2008-1272/annex-I/division-2/division-2.8/division-2.8.2/division-2.8.2.1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.