I Googled Ammonia Toxicity and this is what I found:
Toxicity and storage information
The toxicity of ammonia solutions does not usually cause problems for humans and other mammals, as a specific mechanism exists to prevent its build-up in the bloodstream. Ammonia is converted to carbamoyl phosphate by the enzyme carbamoyl phosphate synthetase, and then enters the urea cycle to be either incorporated into amino acids or excreted in the urine. However, fish and amphibians lack this mechanism, as they can usually eliminate ammonia from their bodies by direct excretion. Ammonia even at dilute concentrations is highly toxic to aquatic animals, and for this reason it is classified as dangerous for the environment. Ammonium compounds should never be allowed to come in contact with bases (unless in an intended and contained reaction), as dangerous quantities of ammonia gas could be released.
http://en.wikipedia.org/wiki/Ammonia#Tox…
http://www.biol.sc.edu/~vogt/courses/phy…
http://saltaquarium.about.com/od/aquariu…
Toxicity and storage information
The toxicity of ammonia solutions does not usually cause problems for humans and other mammals, as a specific mechanism exists to prevent its build-up in the bloodstream. Ammonia is converted to carbamoyl phosphate by the enzyme carbamoyl phosphate synthetase, and then enters the urea cycle to be either incorporated into amino acids or excreted in the urine. However, fish and amphibians lack this mechanism, as they can usually eliminate ammonia from their bodies by direct excretion. Ammonia even at dilute concentrations is highly toxic to aquatic animals, and for this reason it is classified as dangerous for the environment. Ammonium compounds should never be allowed to come in contact with bases (unless in an intended and contained reaction), as dangerous quantities of ammonia gas could be released.
http://en.wikipedia.org/wiki/Ammonia#Tox…
http://www.biol.sc.edu/~vogt/courses/phy…
http://saltaquarium.about.com/od/aquariu…
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reacts or disolves in water
a powerful chemical in its pure state
would wreck lung tissue
a powerful chemical in its pure state
would wreck lung tissue