Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Appearance / physical state / colour

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Administrative data

Link to relevant study record(s)

Description of key information

1,2-dichloro-1,2-difluoroethylene is gas at standard condition of 25 °C and 1 atm. 

Key value for chemical safety assessment

Physical state at 20°C and 1013 hPa:

Additional information

Different sources reported the substance as gas or liquid at room temperature (without mentioning specific conditions of temperature and pressure). A source reports the substance as gas at the temperature of 25 °C and the pressure of 1 atm. This information is consistent with the reported Boiling Point in the range of 19 - 22 °C (section 4.3).

The substance is colourless and has a sweet odour.