Appendix D. Special Types of Reactive Chemicals

Reactivity information is from R. W. Johnson, S. W. Rudy, and S. D. Unwin, Essential Practices for Managing Chemical Reactivity Hazards (New York, NY: American Institute of Chemical Engineers, 2003).

Table AD-1 A Few Pyrophoric and Spontaneously Combustible Categories and Chemicals (Note: These materials combust on exposure to air.)

Category

Examples

Finely divided metals (without oxide film)

Aluminum, calcium, cobalt, iron, magnesium, manganese, palladium, platinum, titanium, tin, zinc, zirconium

Many hydrogenation catalysts containing adsorbed hydrogen (before and after use)

Raney nickel catalyst with adsorbed hydrogen

Alkali metals

Potassium, sodium

Metal hydrides

Germane, lithium ...

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