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Physical & Chemical properties

Boiling point

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Description of key information

Formally, according to Annex VII, Section 7.3, column 2, a study does not need to be conducted as boron is a solid which melts above 300°C. In a handbook, a boiling point of 4000 °C can be found for elemental boron.

Key value for chemical safety assessment

Boiling point at 101 325 Pa:
4 000 °C

Additional information