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