氟硅酸

 

 

FLUOSILICATE ACID

 

SYNONYM: FLUOROSILICIC ACID; SILICOFLUORIC ACID

 

FORMULA: H3SiF6

 

M. W.: 144.09

 

CAS NO.: 16961-83-4

 

DESCRIPTION: IT IS COLOURLESS TRANSPARENT LIQUID WITH SPECIFIC GRAVITY OF 1.32. THE BOILING POINT IS 108.5℃. IT HAS THRILL SMELL, STRONG CORROSIVENESS AND POISON, FLUOSILICATE ACID VOLATILIZES EASILY, CANNOT BE MADE INTO ANHYDROUS, THE HIGHEST STRENGTH IS 60.92%, BUT IT IS BEST STABLE WHEN THE STRENGTH IS 13.3%.

 

SPECIFICATIONS:

ASSAY (H2SiF6)

40%MIN.

FREE-ACID (HF):

1%

SULFATE (AS SO4):

0.1%

IRON (Fe)

0.01%

HEAVY METAL (AS Pb)

0.005%

 

USAGE: IT IS USED AS RAW MATERIALS FOR FLUOSILICATE, DISINFECTANT (1-2% OF SOLUTION) OF BREWING INDUSTRY AND USED FOR REFINING LEAD OF ELECTROLYSIS.

 

PACKING: 25KG NET, PACKING WITH PLASTIC BARREL.

 

UN NO.: 1778             CLASS: 8