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Anhydrous Hydrofluoric Acid

Molecular Formula: HF 
Molecular Weight: 20.01

Product standard: GB  7746-2011

 

Item Ⅰ    
Top grade First grade Qualified product
Hydrogen fluoride ≥   % 99.98 99.98 99.92 99.8
Moisture, ≤  % 0.005 0.02 0.04 0.06
Hexafluorosilicic acid≤  % 0.005 0.008 0.015 0.050
Sulfur dioxide  ≤  % 0.003 0.005 0.010 0.030
Non-volatile acid (as H2SO4)≤  % 0.005 0.005 0.010 0.050

 

Properties: The product is a colorless, transparent liquid. It has a strongly pungent odor. It is very corrosive and strongly toxic. White fumes can rise from it in air. Boiling point, 19.5°C.

Application: The product is mainly used for making element fluorine, fluorsalt, haloidalkane fluoride and hydrofluoric acid. It can be also used as fluoride agent.

Storage: The product should be stored in a storehouse with a shed and kept away from the sunlight. Strictly forbid storing it with combustibles and explosives together.

Transport: It should be treated as Grade A inorganic acid corrosive goods.

Packing:

It is refilled in a mid-pressure steel cylinder without a fusible stopper, with net weight 330kg or 660kg per cylinder.

I sotank with net weight 16500 kg.

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