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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Boiling point

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Description of key information

Fusel oil: > 60 °C and < 143 °C at 1013 hPa

Key value for chemical safety assessment

Additional information

The value for boiling point of fusel oil is based on a weight of evidence using experimental data for the substance itself and the main components of the substance (ethanol (CAS 64-17-5), 2-methylpropan-1-ol (CAS-78-83-1), 3-methylbutan-1-ol (CAS 123-51-3) and 2-methylbutan-1-ol (CAS 137-32-6)).

The experimental boiling point of fusel oil is reported to be between the values of > 60 °C and < 143 °C at 1013 hPa. The experimental boiling points of ethanol, 2-methylpropan-1-ol, 2-methylbutan-1-ol and 3-methylbutan-1-ol are reported to be 78-79 °C, 108 °C, 128 °C and 130.7 °C respectively. 

Since the boiling points of each of the pure main components of fusel oil all lie within the boiling point range of the fusel oil substance, the conservative boiling point range of > 60 °C and < 143 °C at 1013 hPa can be taken as a key value for the chemical safety assessment.