Hazard Summary-Created in April 1992; Revised in January 2000
Hydrochloric acid has many uses. It is used in the production of chlorides, fertilizers, and dyes,
in electroplating, and in the photographic, textile, and rubber industries.
Hydrochloric acid is corrosive to the eyes, skin, and mucous membranes.
Acute (short-term) inhalation exposure may cause eye, nose,
and respiratory tract irritation and inflammation and pulmonary edema in humans.
Acute oral exposure may cause corrosion of the mucous membranes, esophagus,
and stomach and dermal contact may produce severe burns, ulceration, and scarring in humans.
Chronic (long-term) occupational exposure to hydrochloric acid has been reported to cause gastritis,
chronic bronchitis, dermatitis, and photosensitization in workers.
Prolonged exposure to low concentrations may also cause dental discoloration and erosion.
EPA has not classified hydrochloric acid for carcinogenicity.
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