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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Description of key information

ALL VALUES IN Pa

Values at 20C: 347, 380, 406 (based on curve fitted to measured data).  QSAR: 156

Values at 25C:  568 (based on curve fitted to measured data), 599, 690, 693.  QSAR: 214, 262, 887.

Key value for chemical safety assessment

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

Additional information

A number of values are available for the vapour pressure from a number of reliable sources. These span a reasonably narrow but consistent range of values. Values are available at both 20 and 25C. The most reliable value is from a primary source and is measured data at 25C.