Dangerous Goods – Class 5: Oxidizing Substances; Organic Peroxides Dangerous goods – class 5 are divided to 2 sub-divisions, oxidizing substances and organic peroxides. Oxidizers are defined by dangerous goods regulations as substances which may cause or contribute to combustion, generally by yielding oxygen as a result of a redox chemical reaction. Organic peroxides are substances which may be considered derivatives of hydrogen peroxide where one or both hydrogen atoms of the chemical structure have been replaced by organic radicals. Sub-Divisions Division 5.1: Oxidizing substances Division 5.1: Organic peroxides Reason for Regulation Oxidizers, although not necessarily combustible in themselves, can...