UN number

UN number

The UN number, also known as the United Nations number or UN ID, is a four-digit number used to identify and classify dangerous goods (hazardous materials) during transportation. It is part of the United Nations’ system for the safe transportation of hazardous materials, known as the Globally Harmonized System of Classification and Labelling of Chemicals (GHS).

Each UN number corresponds to a specific hazardous material or substance, and it helps to quickly identify the nature of the material being transported. The UN number is often displayed on placards, labels, and shipping documents.

Here are a few examples of UN numbers for different classes of dangerous goods:

UN 1203 – Gasoline

UN 1950 – Aerosols

UN 1090 – Acetone

UN 2924 – Battery-powered equipment

UN 1993 – Flammable liquids, n.o.s. (not otherwise specified)

These are just a few examples, and there are many more UN numbers for various hazardous materials, including explosives, gases, flammable liquids, toxic substances, and more.

The purpose of these numbers is to provide a standardized and internationally recognized way to identify and classify dangerous goods for safe transportation and handling.

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For information and consultation, please contact us at:


+989120290677 / +971565094923 (Mr. Taleb – Senior International Transportation Specialist)