Classifications of Dangerous GoodsClass 1 : ExplosivesSubclass 1.1: Explosives with a mass explosion hazardSubclass 1.2: Explosives with a severe projection hazardSubclass 1.3:Explosives with a fireSubclass 1.4: Minor fire or projection hazardSubclass 1.5: An insensitive substance with a mass explosion hazardSubclass 1.6: Extremely insensitive articles Class 2 : GasesSubclass 2.1: Flammable GasSubclass 2.2: Non-Flammable GasSubclass 2.3: Poison Gas Class 3 : Flammable LiquidsClass 3: Flammable LiquidsClass 4 : Flammable Solids or SubstancesSubclass 4.1: Flammable SolidSubclass 4.2: Spontaneously Combustible SolidsSubclass 4.3: Dangerous When Wet Class 5 : Oxidizing Substances & Organic PeroxidesSubclass 5.1: Oxidizing AgentSubclass 5.2: Organic Peroxide Oxidiziing Agent Class 6 : Toxic & Infectious SubstancesSubclass 6.1: PoisonSubclass 6.2: Infectious Substances Class 7 : RadioactiveClass 7: Radioactive lClass 7: Radioactive llClass 7: Radioactive lllSubclass 7: Fissile Class 8 : Corrosive SubstancesClass 8: CorrosiveClass 9 : Miscellaneous Dangerous Substances & ArticlesClass 9: Miscellaneous Dangerous Substances & ArticlesEnvironmentally HazardousMarine Pollutant