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Fluorosilicic Acid

Fluorosilicic Acid

Properties: It is colorless or light transparent liquid. It has excitant smell, strong corrosiveness and poison. Fluorsilicic acid volatilizes easily. It is corrosive to lead and other metal.
Application: It is used as row materials for fluosilicate, disinfectant(1-2% of solution) of brewing industry and used for refining lead of electrolysis.

    Fluorosilicic Acid, Also known as hydrofluoric acid. Anhydrous is a colorless gas. Unstable. It is easily decomposed into silicon tetrafluoride and hydrogen fluoride. The aqueous solution is colorless and has a strong acidic reaction. Corrosive, can erode glass. Store in containers such as wax or plastic. When the concentrated solution was cooled, crystals of colorless dihydrate were precipitated, and the melting point was 19 °C. Fluorosilicic acid has disinfecting properties. Used in the manufacture of fluorosilicates and cryolites, and used in electroplating, beer disinfection, wood preservation, etc. It is prepared by dissolving silica in hydrofluoric acid or heating quartz powder, calcium fluoride and concentrated sulfuric acid. It can also be obtained by absorbing the silicon tetrafluoride gas escaping from the phosphate rock in the phosphate fertilizer plant.
Formula:H2SiF6
CAS No.: 16961-83-4
M. W:144.09
Properties: It is colorless or light transparent liquid. It has excitant smell, strong corrosiveness and poison. Fluorsilicic acid volatilizes easily. It is corrosive to lead and other metal.

Specification: (37%) 

H2SiF6
HF
SO4
Fe
Pb

37% min
0.5% max
0.5% max 
0.01% max
0.005% max

Specification: (40%)   

H2SiF6
HF
SO4
Fe
Pb
Density(30℃)

40% max
0.5% max
0.5% max
0.01% max
0.005% max
1.39g/ml

Application: It is used as row materials for fluosilicate, disinfectant(1-2% of solution) of brewing industry and used for refining lead of electrolysis.
Storage: Store at a ventilating, and dry place, keep away from food
Packing: Net 250Kg drum or net 1.25mt IBC tanks.

Hazardous details:

UN No.: 1778
Class: 8
Packing: II

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