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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Link to relevant study record(s)

Description of key information

The vapour pressure for tar acids, methylphenol fraction is in the range of from 44.8 to 70.4 Pa at 20 °C (NF T 20-048 AFNOR Sept.85).

Key value for chemical safety assessment

Additional information

The value of vapour pressure is based on the measurements of four products with various concentrations of constitutents.