Note: First Aid must be started within seconds of HF contact in any form! Hydrogen fluoride and hydrofluoric acid cause severe, deeply penetrating burns to the skin, eyes and lungs. Although ...

Hydrofluoric acid (HF) is a clear, colorless liquid consisting of hydrogen fluoride gas dissolved in water. It is an extremely dangerous material and all forms, including vapors and solutions, can ...

A 52-year-old man presented to the outpatient department with severe pain, right palmar erythema and blanching for 3 days, and necrosis on the tips of 2 fingers for 1 day. Three days earlier, the ...