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Physical & Chemical properties

Vapour pressure

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Description of key information

The vapour pressure of isononyl benzoate was determined according to OECD guideline no. 104 [ adopted on 27. July 1995] and EU test method A.4 [Directive 92/69/EEC, Offical Journal L 383 A 1992] with the vapour pressure balance.
Vapour pressure at 20 °C: 2.4 x 10-4 hPa

Key value for chemical safety assessment

Vapour pressure:
0 hPa
at the temperature of:
20 °C

Additional information

The vapour pressure of isononyl benzoate was determined according to OECD guideline no. 104 [ adopted on 27. July 1995] and EU test method A.4 [Directive 92/69/EEC, Offical Journal L 383 A 1992] with the vapour pressure balance.

Therefore, a sample of the test item is heated in a small furnace, placed in an evacuated bell jar. The furnace is covered by a lid which carries small holes of known diameter. The vapour of the substance escaping through one of the holes, is directed into a balance pan of a highly sensitive balance which is also enclosed in the evacuated bell jar. The momentum of the vapour jets acts as a force on the balance. The vapour pressure at 20 °C was determined as 2.4 x 10-4 hPa.