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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Vapour pressure

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Link to relevant study record(s)

Description of key information

Reliable data based on a review from regulatory organisation based on independant peer review criteria, which is considered as trusted source. 

Key value for chemical safety assessment

Vapour pressure:
0.133 Pa
at the temperature of:
20 °C

Additional information

The vapour pressure of selenium was reported from regulatory organisation to be > 0.001 mmHg at 20 °C, equivaltent to 0.1333 Pa.