# 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 2.11.2.2: A self-heating substance or mixture shall be classified in one of the two categories for this class if, in a test performed in accordance with test method N.4 in Part III, sub-section 33.3.1.6 of the UN RTDG, Manual of Tests and Criteria, the result meets the criteria according to Table 2.11.1:

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

Table 2.11.1
Criteria for self-heating substances and mixtures
Category
Criteria
1
A positive result is obtained in a test using a 25 mm sample cube at 140 oC
2
(a) a positive result is obtained in a test using a 100 mm sample cube at 140 oC and a negative result is obtained in a test using a 25 mm cube sample at 140 oC and the substance or mixture is to be packed in packages with a volume of more than 3 m3; or
(b) a positive result is obtained in a test using a 100 mm sample cube at 140 oC and a negative result is obtained in a test using a 25 mm cube sample at 140 oC, a positive result is obtained in a test using a 100 mm cube sample at 120 oC and the substance or mixture is to be packed in packages with a volume of more than 450 litres; or
(c) a positive result is obtained in a test using a 100 mm sample cube at 140 oC and a negative result is obtained in a test using a 25 mm cube sample at 140 oC and a positive result is obtained in a test using a 100 mm cube sample at 100 oC.

---
Source: https://www.legislation.gov.uk/eur/2008/1272/annex/I/division/2/division/2.11/division/2.11.2/division/2.11.2.2 (the official version)
Page: https://openlegislation.uk/eu-regulation-2008-1272/annex-I/division-2/division-2.11/division-2.11.2/division-2.11.2.2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.