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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Endpoint summary

Administrative data

Description of key information

Additional information

Tar acids, methylphenol fraction is a liquid at 20 °C and 1013 hPa. The melting point of tar acids, methylphenol fraction is <13 °C and the boiling point is 200.5 - 201.6 °C at 1013 hPa. The density of tar acids, methylphenol fraction is 1.04 g/cm3 at 20 °C. The vapour pressure of tar acids, methylphenol fraction is 44.8 - 70.4 Pa at 20 °C. The log Pow of tar acids, methylphenol fraction is between 1.5 and 2.5. The water solubility of tar acids, methylphenol fraction is 21 - 23 g/L at 25 °C. The flash point of tar acids, methylphenol fraction is ca. 103 °C at 100 kPa. The self-ignition temperature for tar acids, methylphenol fraction is 530 °C. The dissociation constant pKa of tar acids, methylphenol fraction is between 10.1 and 10.3. The dynamic viscosity of the liquid form of tar acids, methylphenol fraction is 16.6 - 18.1 mm2 s-1 at 20 °C.