Ammonia is a weak base. At room temperature, it is a colorless gas with a pungent odor. Ammonia has a pH of about 11.0 on the pH scale.
Ammonia is a commonly produced chemical that is corrosive and contains alkaline properties. Most of the ammonia produced by industries is used as fertilizer. It is also used in many other products, such as plastics, dyes and household cleaning supplies.
Most people are exposed to the gas or vapor form of ammonia through inhalation or skin and eye contact. This can result in coughing, skin irritation, burns, permanent eye damage and blindness.