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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 a closely structure-related tar oil was taken. This tar oil represents the lighter fraction within distillates (coal tar), upper and will therefore be a conservative estimation for the vapour pressure, whereas in reality the vapour pressure will be slightly lower.   

Key value for chemical safety assessment

Vapour pressure:
38.5 Pa
at the temperature of:
20 °C

Additional information