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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Based on the formula provided in the Kirk-Othmer Encyclopedia of Chemical Technology, the vapour pressure of 1,1-dichloroethene is 66340 Pa at 293 K

Key value for chemical safety assessment

Vapour pressure:
66 340 Pa
at the temperature of:
20 °C

Additional information

All datasources provided comparable values for the vapour pressure of 1,1 -dichloroethene. Because the value provided by the Kirk-Othmer Kirk-Othmer Encyclopedia of Chemical Technology was derived from a formula (logPkPa= 6.1070 -1104.29 (T+237.697)) which was established covering a broader vapour pressure range, this value (at 20°C) was selected as the key parameter.