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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

The vapour pressure of members of this category (C8 - C16) have been measured in the range 0.0094 - 0.11 Bar (9.4 - 110 hPa) at temperatures in the range 20 - 37.8°C.

Guideline proprietary studies are available. The vapour pressure of 68606-29-1 at 20°C was measured at 3000 Pa [0.03 bar] (Chilworth Global, 2010). The vapour pressure of 91052-99-2 at 37.8°C was measured at 0.11 bar (INEOS 2009). The vapour pressure of 7756-94-7 at 37.8°C was measured at 0.02 bar (INEOS 2009). The vapour pressure of 91053-00-8 at 37.8°C was measured at 0.01 bar (INEOS 2009). The vapour pressure of 97280-83-6 at 20°C was measured at 9.4 hPa [0.0094 bar] (Evonik Oxeno 2009). These data will be read across to other members of the category.

The mean of the vapour pressure values for the category is 19.7 hPa at 20°C and this has been used to complete the 'key value for chemical safety assessment'.

Key value for chemical safety assessment

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

Additional information