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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Benzonitrile is a colorless liquid with characteristic smell like bitter almond.


Melting point is -12.8°C, respectively. The boiling point of benzonitrile is stated to be between 190 to 190.7 °C at 1013 hPa.


The density of benzonitrile is approximately 1.015 g/L.


The vapour pressure of benzonitrile is 13332.24 Pa at 123.5 °C.


The substance has a relatively low log Kow of 1.5 at 20°C and a water solubility of 10 g/L at 100 °C.


The surface tension value for benzonitrile is 0.0347 N/m at 25°C.


The flash point for benzonitrile is reported to be between 66 and 75°C.


The auto flammability of the substance is stated to be at 615 °C.

Additional information