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Physical & Chemical properties

Vapour pressure

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Description of key information

In accordance with a Column 2 adaption of REACH Annex VII section 7.5., this study does not need to be conducted as the melting point of tantalum is above 300 °C.

Key value for chemical safety assessment

Vapour pressure:
0 Pa
at the temperature of:
25 °C

Additional information

In accordance with the column 2 adaptation statement of REACH Annex VII, experimental determination of the vapour pressure is not required as the melting point of the substance is above 300 °C. A representative value as recommended by the Guidance on Information Requirements and Chemical Safety Assessment Appendix R.7.13-2: Environmental risk assessment for metals and metal compounds of 1.0 × 10–6 Pa has been taken forward for risk assessment purposes.