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The most common dangerous goods are assigned a UN number, a four digit code which identifies it internationally. Less common substances are transported under generic codes such as "UN1993: flammable liquid, not otherwise specified". The UN Recommendations do not cover the manufacturing, use or disposal of dangerous goods.
A United States placard showing the UN number 1814, indicating potassium hydroxide solution, on a railroad tank car.. A UN number (United Nations number) is a four-digit number that identifies hazardous materials, and articles (such as explosives, flammable liquids, oxidizers, toxic liquids, etc.) in the framework of international trade and transport.
The pictogram for harmful substances of the Globally Harmonized System of Classification and Labelling of Chemicals.. The Globally Harmonized System of Classification and Labelling of Chemicals (GHS) is an internationally agreed-upon standard managed by the United Nations that was set up to replace the assortment of hazardous material classification and labelling schemes previously used around ...
The Code is updated and maintained by a sub-Committee of the International Maritime Organization, the Sub-Committee on Carriage of Cargoes and Containers (CCC), every 2 years. Prior to 2013 the Carriage of Dangerous Goods, Solid Cargoes and Containers (DSC) sub-committee had responsibility for the Code.
The Code is designed to minimise the dangers to ship from carrying solid bulk cargoes. [2] It provides information on the dangers of cargo, as well as procedures for loading and unloading of cargoes. [2] Cargoes are categorized according to three cargo groups: A, B and C. [5] Group A refers to cargoes that may liquefy.
n.o.s. = not otherwise specified meaning a collective entry to which substances, mixtures, solutions or articles may be assigned if a) they are not mentioned by name in 3.2 Dangerous Goods List AND b) they exhibit chemical, physical and/or dangerous properties corresponding to the Class, classification code, packing group and the name and description of the n.o.s.entry [3]
Photograph of a placard with NA number 3082. The NA numbers (North American Numbers are assigned by the United States Department of Transportation, supplementing the larger set of UN numbers, for identifying hazardous materials. NA numbers largely duplicate UN numbers, however a selection of additional numbers are provided for materials that ...
Search in HazMat Database Search UN number based on US-CFR 49 Pages in category "Lists of UN numbers" The following 35 pages are in this category, out of 35 total.