Hydrofluoric Acid

Formula: HF

Molecular weight: 20.01

Melting point: 84 °C (190 K, -118 ºF)

Boiling point: 19.54 °C (293 K, 67.2 ºF)

State at room temperature: 68ºF

Molecular or Ionic: molecular

Molecular geometry: linear

Characteristics: Corrosive, poisonous, toxic

Uses: Dissolve metal oxides; purify aluminum and uranium; etch glass;
remove surface oxides form silicon; industrial purposes ( refrigerators)

Other names:
Hydrogen fluoride
Fluoric acid
Hydrofluoride
Hydrofluoric acid
Fluorine monohydride

Hydrofluoride molecule: