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Physical & Chemical properties

Boiling point

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Description of key information

The substance decomposes on heating, therefore measurement of the boiling point is technically not possible.

Key value for chemical safety assessment

Additional information

No data are available: a waiver is proposed for this endpoint. The substance decomposes on heating, therefore measurement of the boiling point is technically not possible. Distillation of aqueous solutions of hexafluorosilicic acid produces a gas consisting of silicon tetrafluoride, hydrofluoric acid, and steam.