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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Physical & Chemical properties

Vapour pressure

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Description of key information

The reported vapour pressure of toluene is 0.448 PSI (3088.9Pa) at 70°F (21.1°C) and 0.599 PSI (4130.0Pa) at 80°F (26.6°C).

Key value for chemical safety assessment

Vapour pressure:
3 089 Pa
at the temperature of:
21.1 °C

Additional information

The handbook of vapour pressure and heats of vaporization of hydrocarbons and related compounds (Zwolinski and Wilhoit, 1971) is a peer reviewed handbook and is considered reliable and suitable for use as the key study for this endpoint. In addition, this vapour pressure is similar to the vapour pressure reported in the EU RAR.

The supporting study (CRC, 2008) is also a peer reviewed handbook and supports the value reported in the key study, giving a vapour pressure of 1 kPa at 1.5°C and 10 kPa at 45.2°C.