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The ammonia-soaked cotton is waved in front of the nose for the treatment of fainting. Smelling salts , also known as ammonia inhalants , spirit of hartshorn or sal volatile , are chemical compounds used as stimulants to restore consciousness after fainting.
Salt of hartshorn refers to ammonium carbonate, an early form of smelling salts and baking powder obtained by dry distillation of oil of hartshorn. Spirit of hartshorn (or spirits of hartshorn) is an archaic name for aqueous ammonia. Originally, this term was applied to a solution manufactured from the hooves and antlers of the red deer, as ...
The term "amyl nitrite" encompasses several isomers.In older literature, the common non-systematic name amyl was often used for the pentyl group, where the amyl group is a linear or normal (n) alkyl group, and the resulting amyl nitrite would have the structural formula CH 3 (CH 2) 3 CH 2 ONO, also referred to as n-amyl nitrite.
Ammonium carbonate is the main component of smelling salts, although the commercial scale of their production is small. Buckley's cough syrup from Canada today uses ammonium carbonate as an active ingredient intended to help relieve symptoms of bronchitis.
Larger quantities can be detected by warming the salts with a caustic alkali or with quicklime, when the characteristic smell of ammonia will be at once apparent. [46] Ammonia is an irritant and irritation increases with concentration; the permissible exposure limit is 25 ppm , and lethal above 500 ppm by volume. [ 47 ]
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Ammonium sulfate is a precursor to other ammonium salts, especially ammonium persulfate. Ammonium sulfate is listed as an ingredient for many United States vaccines per the Centers for Disease Control. [12] Ammonium sulfate has also been used in flame retardant compositions acting much like diammonium phosphate.