May cause corrosion to the esophagus and stomach with perforation and peritonitis. Symptoms may include pain in the mouth, chest, and abdomen, with coughing, vomiting and collapse. Ingestion of as little as 3-4 mL may be fatal. Causes irritation and burns to the skin. Vapors cause irritation.
Splashes cause severe pain, eye damage, and permanent blindness.
Persons with pre-existing eye disorders or impaired respiratory function may be more susceptible to the effects of this material. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Call a physician immediately. Give large quantities of water.