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ANHYDROUS HYDROGEN FLUORIDE (AHF)

Character          CAS No:7664-39-3    HS code: 28111100

Anhydrous hydrogen fluoride is colorless, transparent liquid in the low-temperature. Boiling point is 19.4℃, melting point is -83.37℃. Critical temperature is 230.2℃; Critical pressure is 64 atm. Relative molecular weight is 20.01.The liquid density is 0.987 g/cm³ (20℃); Gas density is 0.991g/L (0℃). It can easily volatilize to smog under room and common temperature. Owing to its active chemical feature, it can react with alkaline, metal, oxide and silicate etc.

Standard (GB7746-1997.)

Packing

In 320kg steel cylinder or in 15 or 20MT tank or as clients’ requests. Filling ratio is needed as 0.832kg/L.

Storage and Transportation

Anhydrous hydrogen fluoride should be stored in draughty storeroom. Don’t shine for

a long time and mix with inflammable and explosives. It should be treated as Grade A inorganic acid corrosive goods in transportation.

Application

Ø        It is a strong oxidant and sole raw material for making the element of fluorine

Ø        It is important main raw material for inorganic Fluoride and all kinds of organic fluoride.

Ø        The use of fluorosilicates: metal surface treatment agent, the oil recovery additive.

Ø        As etchant for glass and metal cleaner.

Ø        It is used to produce fluorine plastic and fluorine rubber

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