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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Link to relevant study record(s)

Description of key information

Values at 20C and in hPa:
Values at 25C:

Key value for chemical safety assessment

Vapour pressure:
117 Pa
at the temperature of:
298 K

Additional information

Consistent values are available from multiple sources, including values at different temperatures. The key parameter retained is from a recognised reliable source that is cited in a number of secondary references and is cited as being traceable back to an original experimental value. Thise value is 1.17hPa at 25C. A second key value selected is 0.79hPa at 20C