# 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 2.1.1.2: For the purposes of this Regulation the following definitions shall apply:

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

An explosive substance or mixture is a solid or liquid substance or mixture of substances which is in itself capable by chemical reaction of producing gas at such a temperature and pressure and at such a speed as to cause damage to the surroundings. Pyrotechnic substances are included even when they do not evolve gases.
A pyrotechnic substance or mixture is a substance or mixture of substances designed to produce an effect by heat, light, sound, gas or smoke or a combination of these as the result of non-detonative self-sustaining exothermic chemical reactions.
An unstable explosive is an explosive substance or mixture which is thermally unstable and/or too sensitive for normal handling, transport and use.
An explosive article is an article containing one or more explosive substances or mixtures.
A pyrotechnic article is an article containing one or more pyrotechnic substances or mixtures.
An intentional explosive is a substance, mixture or article which is manufactured with a view to producing a practical, explosive or pyrotechnic effect.

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Source: https://www.legislation.gov.uk/eur/2008/1272/annex/I/division/2/division/2.1/division/2.1.1/division/2.1.1.2 (the official version)
Page: https://openlegislation.uk/eu-regulation-2008-1272/annex-I/division-2/division-2.1/division-2.1.1/division-2.1.1.2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.