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Physical & Chemical properties

Vapour pressure

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Description of key information

The vapour pressure of ethylene is 2124 hPa at -90˚C.

Key value for chemical safety assessment

Vapour pressure:
212.4 kPa
at the temperature of:
-90 °C

Additional information

The handbook by Zwolinski and Wilhoit (1971) is peer reviewed and is considered reliable and suitable for use as the key study for this endpoint. The supporting study (World Health Organisation 1996) is taken from a peer reviewed database and reports a value of 8100 kPa at 15°C.