UNDG

International transport of dangerous goods is classified according to the United Nations' system, which is known as the UN Dangerous Goods Classification(UNDG). The classification is based on the type of hazard presented by the goods, and it includes various classes and divisions. Class 1: Explosives (Divisions 1.1-1.3). Class 2: Gases (2.1 Flammable, 2.2 Non-flammable non-toxic, 2.3 Toxic). Class 3: Flammable Liquids. Class 4: Flammable Solids; Substances Liable to Spontaneous Combustion; Substances that, in Contact with Water, Emit Flammable Gases. Class 5: Oxidizing Substances and Organic Peroxides. Class 6: Toxic and Infectious Substances. Class 7: Radioactive Material. Class 8: Corrosive Substances. Class 9: Miscellaneous Dangerous Substances and Articles. The classification provides a standardized way to identify and handle dangerous goods during international transportation, ensuring the safety of individuals, property, and the environment.