Care of persons exposed to toxic chemicals must be directed by a physician or other recognized authority. Odor - Strongly irritating. Other Names - Anhydrous hydrofluoric acid, fluorohydric acid gas, hydrofluoric acid. Hydrogen fluoride is highly corrosive. Effects may be delayed from 1 to 24 hours.
Caution is advised.
Acute exposure to hydrogen fluoride will result in irritation, burns, ulcerous lesions, and necrosis of the eyes, skin, and mucous membranes. Total destruction of the eyes is possible. Acute exposure to hydrogen fluoride may require decontamination and life support for the victims. Emergency personnel should wear protective clothing appropriate to the type and degree of contamination. Rescue vehicles should carry supplies such as hydrogen fluoride-resistant plastic sheeting and disposable plastic bags to assist in preventing spread of contamination.