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Home > Ag Chemicals & Fertilizers > Spills & Safety > Emergency Response to Anhydrous Ammonia Releases Spills > Stability & Reactivity

Stability & Reactivity for Anhydrous Ammonia


Ammonia is stable but very reactive.

  • Corrosive effects of ammonia on brassStable to heat and light.
  • Reacts violently and explosively with oxidizing gases such as chlorine, bromine, and other halogens.
  • Reacts explosively with hypochlorites such as bleach.
  • Reacts vigorously with acids.
  • Highly reactive with reducing agents.
  • Forms explosive compounds with silver and mercury.
  • Hazardous polymerization will not occur. Polymerization is the formation of long organic or inorganic chemical chains.
  • Ammonia is a nonflammable gas, but it will ignite within vapor concentration limits of 15% and 28% at a temperature of 1204°F. Complete combustion forms oxides of nitrogen and water vapor.
  • Corrosive to copper, zinc, tin, brass, and galvanized steel surfaces.
  • Not corrosive to mild steel, glass, or stainless steel (304 or 316).
  • Dissolves in water with the evolution of heat to form ammonium hydroxide. Action upon contact is vigorous.