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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 1,2-dichloro-1,2-difluoroethene at 20°C is between 982 and 984 °C

Key value for chemical safety assessment

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

Additional information

Two reliable sources report the following values for vapour pressure of 1,2-dichloro-1,2-difluoroethene at 20 °C:

- 984.00 hPa (20°C)

- 982.80 hPa (20°C)

The values are consistent and it can be concluded that the Vapour Pressure of 1,2-dichloro-1,2-difluoroethene at 20°C is between 982-984 °C.