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Vapour pressure

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Description of key information

Zwolinski (1971) found that the vapour pressure of cyclohexane is 12.4 kPa at 24˚C.

Key value for chemical safety assessment

Vapour pressure:
12.4 kPa
at the temperature of:
24 °C

Additional information

The Handbook of vapour pressures and heats of vaporisation of hydrocarbons and related compounds by Zwolinski, B.J. and Wilhoit, R.C. (1971) is a peer reviewed handbook and so can be considered reliable and suitable for use as the key study for this endpoint. The supporting study (WHO ICSC 1994) is also a peer reviewed source and reports a vapour pressure of 12.7 kPa (127 hPa) at 20 ˚C and supports the value reported in the key study. A similar result of 10.3 kPa at 20 ˚C was also reported in the EU RAR (2004).