Self-heating Substances Category 1 Division 4.2: PG III Self-heating Substances and H252 Self-heating in large quantities; may catch – Self-heating Substances Mixtures fire Category 2 Division 4.3: PG I Substances which, in contact with H260 In contact with water releases flammable – Substances which in contact with water emit water, emit flammable gases gases, which may ignite spontaneously flammable gases Category 1 Division 4.3: PG II Substances which, in contact with H261 In contact with water releases flammable – Substances which in contact with water emit water, emit flammable gases gases flammable gases Category 2 Division 4.3: PG III Substances which, in contact with H261 In contact with water releases flammable – Substances which in contact with water emit water, emit flammable gases gases flammable gases Category 3 Division 5.1: PG I Liquid Oxidising Liquids H271 May cause fire or explosion; Strong oxidiser – Oxidising Substances Category 1 Solid Oxidising Solids Category 1 Division 5.1: PG II Liquid Oxidising Liquids H272 May intensify fire; Oxidiser – Oxidising Substances Category 2 Solid Oxidising Solids Category 2 Division 5.1: PG III Liquid Oxidising Liquids H272 May intensify fire; Oxidiser – Oxidising Substances Category 3 Solid Oxidising Solids Category 3 Division 5.2: Type A Organic Peroxides H240 Heating may cause an explosion – Organic Peroxides Type A Division 5.2: Type B Organic Peroxides H241 Heating may cause a fire or explosion – Organic Peroxides Type B Division 5.2: Type C Organic Peroxides H242 Heating may cause a fire –
Self-heating Substances Category 1 Division 4.2: PG III Self-heating Substances Self-heating Substances and Mixtures Category 2 H252 – Self-heating in large quantities; may catch fire Division 4.3: PG I Substances which in contact with water emit flammable gases Substances which, in contact with water, emit flammable gases Category 1 H260 – In contact with water releases flammable gases, which may ignite spontaneously Division 4.3: PG II Substances which in contact with water emit flammable gases Substances which, in contact with water, emit flammable gases Category 2 H261 – In contact with water releases flammable gases Division 4.3: PG III Substances which in contact with water emit flammable gases Substances which, in contact with water, emit flammable gases Category 3 H261 – In contact with water releases flammable gases Division 5.1: PG I Oxidising Substances Liquid Solid Oxidising Liquids Category 1 Oxidising Solids Category 1 H271 – May cause fire or explosion; Strong oxidiser Division 5.1: PG II Oxidising Substances Liquid Solid Oxidising Liquids Category 2 Oxidising Solids Category 2 H272 – May intensify fire; Oxidiser Division 5.1: PG III Oxidising Substances Liquid Solid Oxidising Liquids Category 3 Oxidising Solids Category 3 H272 – May intensify fire; Oxidiser Division 5.2: Type A Organic Peroxides Organic Peroxides Type A H240 – Heating may cause an explosion Division 5.2: Type B Organic Peroxides Organic Peroxides Type B H241 – Heating may cause a fire or explosion Division 5.2: Type C Organic Peroxides H242 – Heating may cause a fire
guidance_on_the_classification_of_hazardous_chemicals_under_the_whs_regulations.docx