{"@context":"https://schema.org","@type":"DefinedTerm","name":"Hazardous Material Classification Systems","description":"Transport operators, shippers, and customs authorities rely on hazardous material classification systems to assign substances and articles to standardised hazard categories based on their risk potential. All principal international frameworks – the IMDG Code (sea), ADR (road), RID (rail), and IATA-DGR (air) – draw on the UN Model Regulations (the Orange Book), which establishes nine main classes including explosives (Class 1), gases (Class 2), and flammable liquids (Class 3), and assigns a UN nu","inDefinedTermSet":{"@type":"DefinedTermSet","name":"Frachtportal Logistics Glossary","url":"https://www.freight-academy.com/en/glossary"},"url":"https://www.freight-academy.com/en/glossary/hazardous-material-classification-systems","inLanguage":"en","dateModified":"2026-06-24T04:04:32.760494","citation":"https://unece.org/transport/dangerous-goods/un-model-regulations-rev-23","markdownMirror":"https://www.freight-academy.com/api/md/glossary/en/hazardous-material-classification-systems","provider":{"@type":"Organization","name":"Frachtportal","url":"https://www.freight-academy.com"},"quickSummary":"Hazardous Material Classification Systems · Transport operators, shippers, and customs authorities rely on hazardous material classification systems to assign substances and articles to standardised hazard categories based on their risk potential. · Quelle: https://unece.org/transport/dangerous-goods/un-model-regulations-rev-23"}