Classification and categorization of chemical substances
The explosive materials include dynamite, black powder, fireworks, and ammunition.
Gases, whether compressed, liquid, or dissolved under pressure, such as propane, chlorine, and oxygen.
Flammable liquids such as gasoline and solvents, and combustible liquids such as petroleum fuels.
Solid materials that are flammable, such as (magnesium), and self-igniting materials such as (phosphorus).
Oxidizing materials, such as nitric acid and organic peroxides.
Toxic and infectious materials, such as hydrogen cyanide or potassium cyanide and tetraethyl lead.
Radioactive materials, such as cobalt, plutonium, and uranium
Corrosive materials, such as acids (sulfuric acid) and alkalis (caustic soda).
Various hazardous materials have been allocated for materials that cannot be classified by type due to special circumstances, such as molten sodium and asbestos
