Organic Peroxides
Contain "peroxy" or "peroxide" in the name of the material
Oxidizers
Gases: oxygen, ozone, oxides of nitrogen, fluorine, chlorine Liquids: nitric acid, perchloric acid, hydrogen peroxide, bromine
Solids: chlorates, chromates, nitrates, perchlorates, peroxides
Pyrophorics
Gases: diborane, phosphine, silane
Liquids: diethyl aluminum chloride, diethyl zinc, trimethyl aluminum
Solids: lithium, white or yellow phosphorus, potassium, sodium
Toxic Gases
arsine, chlorine, cyanogen, fluorine, hydrogen cyanide, hydrogen fluoride, hydrogen selenide, hydrogen sulfide, nitric oxide, phosgene, phosphine
Water Reactives
aluminum alkyls, calcium, calcium carbide, diethyl zinc, lithium hydride, lithium aluminum hydride, potassium, sodium, sodium peroxide