[Molecular formula] HBF4
[Properties] It is colorless or light transparent liquid. Soluble in water and ethanol, strong acid, it isn't corrosive to glass at normal temperature.
[Quality Standard]

Content (HBF4 ) %	42.0-50.0
H3BO3 %	1.0-3.0
H2SiF6 %	≤0.10
Pb ppm	≤10

[Application] It is used as raw materials for fluoboric, used for dissolution of sponge-titanium and its alloy, stabilizer for diazols and electroplate.
[Packing] packing with plastic barrel, 25kg/250kg each barrel.