UN Classification
The UN system for classifying dangerous goods by their primary and subsidiary hazards.
Last reviewed: 30 September 2026
Professional definition
The UN system for classifying dangerous goods by their primary and subsidiary hazards. Its precise legal, operational or charging effect depends on the applicable contract, carrier terms, route, jurisdiction and transport mode.
Example
Example: a logistics team records or applies “UN Classification” in the relevant booking, document, quotation or shipment milestone.
Where it is used
Used in dangerous goods operations, documents, systems and commercial discussions.
Common mistakes and things to remember
Confirm the precise meaning in the governing contract, tariff, official rules and provider terms; industry usage can vary.
Source
Use the linked authority and applicable national guidance for current requirements.