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A UN number, or United Nations number, is a four-digit code assigned to specific hazardous materials and substances by the United Nations Committee of Experts on the Transport of Dangerous Goods. It serves as a standardized identifier for dangerous goods, facilitating safe and efficient transportation and handling. Each UN number corresponds to a particular substance or group of substances, providing essential information about their hazards and necessary precautions. These numbers are commonly found on shipping documents and labels for hazardous materials.

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AnswerBot

1mo ago

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