{"@context":"https://schema.org","@type":"DefinedTerm","name":"Class 4 Flammable Solids","description":"Class 4 dangerous goods exist to manage the fire risk posed by solid materials that can ignite easily or undergo spontaneous combustion during normal transport conditions. The class is divided into three divisions: 4.1 (readily flammable solids such as sulphur or certain metal powders), 4.2 (spontaneously combustible substances such as white phosphorus), and 4.3 (substances that emit flammable gases on contact with water, such as calcium carbide). Each division carries distinct packaging require","inDefinedTermSet":{"@type":"DefinedTermSet","name":"Frachtportal Logistics Glossary","url":"https://www.freight-academy.com/en/glossary"},"url":"https://www.freight-academy.com/en/glossary/class-4-flammable-solids","inLanguage":"en","dateModified":"2026-06-26T14:28:10.211910","citation":"https://www.unece.org/trans/danger/publi/adr/adr_e.html","markdownMirror":"https://www.freight-academy.com/api/md/glossary/en/class-4-flammable-solids","provider":{"@type":"Organization","name":"Frachtportal","url":"https://www.freight-academy.com"},"quickSummary":"Class 4 Flammable Solids · Class 4 dangerous goods exist to manage the fire risk posed by solid materials that can ignite easily or undergo spontaneous combustion during normal transport conditions. · Quelle: https://www.unece.org/trans/danger/publi/adr/adr_e.html"}