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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Range: 12-13.3 hPa

Key value for chemical safety assessment

Vapour pressure:
1 200 Pa
at the temperature of:
293.15 K

Additional information

A vapour pressure value of 12 hPa at 20 °C is nominated as the key study (Gmelins 1951) among the other secondary sources. This peer-reviewed chemical handbook is considered as a reliable source referencein which the original data sources are traceable.

Approximate values of 13 hPa at 20 °C are from secondary sources (Whitehead 1983, HSDB and Grayson & Eckroth, O'Neil 2006) which are not available for review and no further information is available. The reliabilities of these results are not assignable. A predictive method has also been reported (Millennium 2007) but no further details are available.