{"@context":"https://schema.org","@type":"DefinedTerm","name":"UN Number","description":"Unlike a hazard class, which describes a category of danger, a UN Number uniquely identifies a hazardous substance or group of substances with global validity. The four-digit code – for example UN 1203 for petrol or UN 1090 for acetone – is assigned by the United Nations Committee of Experts on the Transport of Dangerous Goods and applies regardless of transport mode or the countries involved. It must appear on dangerous goods transport documents, orange warning placards, packages, and container","inDefinedTermSet":{"@type":"DefinedTermSet","name":"Frachtportal Logistics Glossary","url":"https://www.freight-academy.com/en/glossary"},"url":"https://www.freight-academy.com/en/glossary/un-number","inLanguage":"en","dateModified":"2026-06-26T13:56:16.947062","citation":"https://unece.org/transport/dangerous-goods","markdownMirror":"https://www.freight-academy.com/api/md/glossary/en/un-number","provider":{"@type":"Organization","name":"Frachtportal","url":"https://www.freight-academy.com"},"quickSummary":"UN Number · Unlike a hazard class, which describes a category of danger, a UN Number uniquely identifies a hazardous substance or group of substances with global validity. · Quelle: https://unece.org/transport/dangerous-goods"}