Formula: HBF4
Relative molecular mass: 87.81
Character: colorless and transparent liquid; highly acidic; capable of being mixed with water and alcohol; hydrolyzed in water and decomposed when heated to 130°C; toxic and highly corrosive.
Caution at transportation: inorganic acid corrosive article of Grade II; UN code:1775; Specified number of hazardous goods:93010; Class of risk:8.