| Toxic and Infectious Substances |
Substances that are toxic and infectious and pose health hazards. |
Oxidizing Substances and Organic Peroxides |
| Radioactive Materials |
Substances that emit ionizing radiation. |
Radioactive isotopes, nuclear waste |
| Oxidizing Substances and Organic Peroxides |
Substances that provide oxygen and can cause or contribute to the combustion of other materials. |
Hydrogen peroxide, potassium permanganate |
| Miscellaneous Dangerous Goods |
Substances and articles that present dangers
During transportation but do not fit into any of the other classes |
Asbestos, lithium batteries, environmentally hazardous substances |
| Gases |
Substances that are gases at 20 Celsius or less and a pressure of 101.3 kPa or less. |
Propane, methane, chlorine gas |
| Flammable Solids |
Solid materials that can ignite and burn easily. |
Matches, fireworks, magnesium |
| Flammable Liquids |
Liquids with a flash point of not more than 60 Celsius. |
Gasoline, diesel fuel, alcohol |
| Explosives |
Substances capable of causing an explosion under certain conditions. |
Dynamite, fireworks, blasting caps |
| Corrosive Substances |
Substances that can cause severe damage when in contact with living tissue, other materials, or the environment. |
Sulfuric acid, sodium hydroxide, hydrochloric acid |
