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Hydrofluoric acid is an aqueous inorganic acid solution commonly used in research and industry for its ability to etch silicon compounds. It is an essential tool for semiconductor and electronic fabrication, mineral processing and glass etching. In addition to its useful properties, hydrofluoric acid also poses severe health risks upon exposure. Best management practices must be reviewed and continually employed while working with this material. Hydrofluoric acid CAS is the aqueous form of hydrogen fluoride gas, miscible with water. Both versions are commonly referred to as HF in research and industry.
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The danger of hydrofluoric acid (HF)

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The danger of hydrofluoric acid (HF) - PREVOR

Hydrofluoric acid HF is a chemical that is deadly when inhaled and when in contact with the skin. First aid, accidental spills, decontamination of equipment — Find out our advice for managing this acid in order to limit the exposure of your employees. Hydrofluoric acid is a corrosive chemical whose formula is HF. It is volatile, colourless and has an acrid odour. According to the harmonised classification of chemicals , hydrofluoric acid is classified as fatal in contact with skin H , fatal if swallowed H , fatal if inhaled H and causes severe skin burns and eye damage H
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Hydrofluoric Acid

PDF version of this document. Hydrofluoric acid HF differs from other acids because the fluoride ion readily penetrates the skin, causing destruction of deep tissue layers, including bone. If HF is not rapidly neutralized and the fluoride ion bound, tissue destruction may continue for days and result in limb loss or death.
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Hydrofluoric acid is a key chemical in many industries, particularly as a surface treatment agent glass, metals, ceramics, etc. It is used in many fields of activity, from the production of photovoltaic cells to industrial maintenance in the food industry. Despite the dangers associated with its use, there are few or no substitute products or techniques.
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