Chapter 2.4 – Class 4 Flammable solids; substances liable to spontaneous combustion; substances which, in contact with water, emit flammable gases
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Statutory Documents - IMO Publications and Documents - Resolutions - Maritime Safety Committee - Resolution MSC.294(87) – Adoption of Amendments to the International Maritime Dangerous Goods (IMDG) Code – (Adopted on 21 May 2010) - Annex – Amendments to the International Maritime Dangerous Goods (IMDG) Code - Part 2 – Classification - Chapter 2.4 – Class 4 Flammable solids; substances liable to spontaneous combustion; substances which, in contact with water, emit flammable gases

Chapter 2.4 – Class 4 Flammable solids; substances liable to spontaneous combustion; substances which, in contact with water, emit flammable gases

Parent topic: Part 2 – Classification

2.4.3 Class 4.2 – Substances liable to spontaneous combustion

2.4.3.1 Definitions and properties

  2.4.3.1.2 The existing paragraph is replaced with the following:

  • "2.4.3.1.2 Self-heating of a substance is a process where the gradual reaction of that substance with oxygen (in air) generates heat. If the rate of heat production exceeds the rate of heat loss, then the temperature of the substance will rise which, after an induction time, may lead to self-ignition and combustion.".

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