CAS NO.: 16872-11-0 Molecular formula: HBF4 Molecular Weight: 87.81 Melting point: -90 º C Boiling Point: 130 º C (DEC.) Density: 1.41 Content: ≥ 49.50% Appearance: colorless transparent liquid Properties: strongly acidic, can be mixed in water and alcohol and, when heated to 130 ℃ decomposition, release BF3. Uses: for metal surface oxide, silicates such as membrane cleaning and corrosive