Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

4-phenylbutan-2-one is a colourless to yellowish liquid with an odour characteristic of aromatic compounds. Its freezing point is -16.9 °C and its boiling point is 239.6 °C. The dynamic viscosity of the substance is 2.59 mPa · s at 23 °C. The substance has a relative density of 0.9879, a water solubility of 2850 mg/L and a log Kow of 2.0 at 25 °C. The vapour pressure is 3.9 Pa at 20 °C. The flash point of the substance at 1013 hPa is 101 °C and the auto-ignition temperature is 454 ± 5 °C at standard atmospheric pressure. 4-phenylbutan-2-one is non-explosive and non-oxidising.