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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Link to relevant study record(s)

Description of key information

The vapour pressure of biphenyl was determined to be 1.19 Pa at 25 °C  by the gas saturation method (Burkhard et al., 1984). Two handbooks delivered supporting vapour pressure values (0.007 and 0.0008-0.004 kPa at 20°C). A third handbook reported vapour pressure values at higher temperatures (liquid biphenyl).

Key value for chemical safety assessment

Vapour pressure:
1.19 Pa
at the temperature of:
298.15 K

Additional information

Burkhard et al. (1984) was considered as a key study yielding a vapour pressure value of 1.19 Pa at 25°C. This measured value is among the critically-reviewed and accepted vapor pressure values reported under the AIChE DIPPR database (v5.2.2, 2011).