Dangerous goods generally refer to materials or goods that may cause risks to people, the environment, and assets during transportation and transfer and in different parts such as loading, storage, and unloading. These risks may directly or indirectly cause injury to people, fire, explosion, environmental pollution, damage to equipment and other damages.
9 dangerous goods classes
Class 1: Explosives
Class 2: Gases
Class 3: Flammable liquids
Class4: Flammable solids; substances liable to spontaneous combustion; substances which, on 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.