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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Flash point

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Administrative data

Link to relevant study record(s)

Description of key information

The flashpoint of 1,1-dichloroethene is -28°C (closed cup method). Its flash point is the basis of the classification of 1,1-dichloroethene as extremely flammable.

Key value for chemical safety assessment

Flash point at 101 325 Pa:
245 K

Additional information

The flash point of 1,1 -dichloroethene as reported in the different data sources was rather consistent -28°C (closed cup method) and between -30 and -16°C (open cup method). As the closed cup method is the preferred method for the determination of the flash point, the value provided by the Kirk-Othmer Encyclopedia (-28°C) was defined as the key parameter.