Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Endpoint summary

Administrative data

Description of key information

Additional information

Tetrafluoroboric acid is a colourless and odourless aqueous solution (typically 50%) with a melting point of <-78°C. At 130 °C tetrafluoroboric acid decomposes. Tetrafluoroboric acid has a density of 1.38 g/cm3, a solubility of at least 870 g/L and a pKa value of -4.9. The volatility of inorganic salts in solution in general is considered to be insignificant. The substance is non-flammable, non-explosive and non-oxidising.