United Nations identification numbers

The Department of Transportation classifies HCl as a corrosive material and requires that it be transported in DOT-approved deHvery vessels. Tank cars must conform to 103B, 103B-W, or DOT 111A60W5 specifications. Tank trailers must conform to DOT MC-310, MC-311, MC-312, or DOT-412 specifications with display of a corrosive placard on both sides, front, and rear of the tank. The United Nations identification number for muriatic acid is UN1789, which must appear on aH shipping papers and placards. 

UN United Nations identification number used in transportation of hazardous materials. 

A four digit number representing a particular chemical or group of chemicals. These numbers are assigned by the United Nations (UN Numbers), the U.S. Department of Transportation (NA Numbers), or Transport Canada (NA Niunbers). These numbers are commonly used throughout the world to aid in the quick identification of the materials contained within bulk containers (such as rail cars, semi-trailers and intermodal containers). 

DOT Identification Numbers Four-digit numbers proceeded by UN (United Nations) or NA (North American) that are used to identify the particular hazardous materials for regulation of transportation (e.g., the UN code number for chlorine trifluoride is UN1749). Haz Mat Response Teams (HMRTs) often refer to such numbers to identify specific chemicals listed in the Department of Transportation s Emergency Response Guidebook Double Gloving An additional set of gloves worn in addition to the already in-place protection. 

United Nations/North American Identification Number(s) UN/NA identification numbers are four-digit numbers assigned to identify and cross-reference a hazardous materials (i.e., nitric acid, fuming = 2032 butane = 1011 white phosphorus, dry = 1381). 

Finally, the Super Docket amendments authorized the use of United Nation s shipping descriptions and identification numbers for certain hazardous... 

The UN Number element of each chapter includes the 4-digit serial numbers assigned under the United Nations scheme that represent the entries covered in the chapter. Also included are the supplementary North American numbers (NA numbers, including those in the 9000 series) used by the DOT and the identification numbers (ID numbers in the 8000 series) used by lATA. UN Numbers form an index at the rear of the Glossary. The following methodology was used to prepare the UN Numbers ... 

This section states whether the material is regulated by the U.S. Department of Transportation (DOT) as a hazardous material. If it is, information in this section will include the hazard Class, United Nations (UN) or North America (NA) identification number, required labels, and restrictions on air or sea transport. 

UN No. United Nations Substance Identification Number (for > greafer fhan or equal fo... 

Column 4 - A number that specifically corresponds to the proper shipping name of the material and provides identification of the material in case of an accident. If the number is preceded by UN it is a United Nations number that is recognized both internationally and domestically. If preceded by NA, the numbers are only valid in the United States and Canada. 

The UN number is a four-digit number assigned to a potentially hazardous material. These numbers are used by firefighters and other emergency response persoimel for identification of materials during transportation emergencies. UN (United Nations) munbers are internationally recognized. 

The first orderly methods of identifying materials were developed by metal manufacturers trade associations. National standards organizations have also created materials identification systems. In the United States, the Unified Number System merges all systems into one method of identifying commercially available metals and alloys. 

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