UN number
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A UN number is a four-digit number that identifies hazardous materials, and articles in the framework of international trade and transport. Some hazardous substances have their own UN numbers, while s
A United States placard showing the UN number 1814, indicating potassium hydroxide solution, on a railroad tank car
The UN Recommendations on the Transport of Dangerous Goods are contained in the UN Model Regulations prepared by the Subcommittee of Experts on the Transport of Dangerous Goods of the United Nations E
UN number
…no longer in use) and are assigned by the United Nations Committee of Experts on the Transport of Dangerous Goods. They are published as part of their Recommendations on the Transport of Dangerous Goods, also known as the Orange Book. These recommendations are adopted by the regulatory organization responsible for the different modes of transport. There…
A UN 4G Doublewall corrugated fiberboard box with dividers for shipping four bottles of corrosive liquid, certified to the Packing Group III performance level