Hydrofluoric acid 04 (inorganic compound)

Hydrofluoric acid is an aqueous solution of hydrogen fluoride gas,a clear,colorless,corrosive liquid that emits smoke and has a strong irritating odor.Hydrofluoric acid is a weak acid with extremely strong corrosiveness,capable of strongly corroding metals,glass,and silicon containing objects.Inhaling vapors or coming into contact with the skin can cause incurable burns.Laboratories generally use fluorite(mainly composed of calcium fluoride)and concentrated sulfuric acid to produce it,which needs to be sealed in plastic bottles and stored in a cool place.
Chinese name:Hydrofluoric acid
Hydrofluoric acid
Also known as hydrofluoric acid,hydrogen fluoride solution,bone resorption solution
Appearance:colorless,transparent to light yellow,smoking
Used as a strong acidic corrosive agent,analytical reagent,for etching glass,pickling metals,etc
Safety description S1/2;S7/9；S26；S36/37；S45
Hazard symbol T+;C
Hazard description R26/27/28;R35