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ULogistics Term

UN Number

A four-digit code assigned by the United Nations Committee of Experts on the Transport of Dangerous Goods to identify hazardous substances.

Definition

A four-digit code assigned by the United Nations Committee of Experts on the Transport of Dangerous Goods to identify hazardous substances. The UN Number is essential for classifying labeling and handling dangerous goods during transportation. UN numbers are standardized across international regulations such as the IMDG Code IATA Dangerous Goods Regulations and ADR for road transport. Proper identification ensures that hazardous materials are managed safely to prevent accidents contamination or environmental harm

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