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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Auto flammability

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Description of key information

Fusel oil: ca. 300 °C

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
300 °C

Additional information

The auto flammability of fusel oil is based on a weight of evidence using experimental data for the substance itself and the main components of the substance. The main components of fusel oil are 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 self-ignition temperature of fusel oil substance is reported as ca. 300°C. The experimental self-ignition temperatures of ethanol, 2-methylpropan-1-ol, 2-methylbutan-1-ol and 3 -methylbutan-1-ol are reported to be >363 to < 425°, 400 °C, 340 °C and 335 °C respectively. 

The conservative self-ignition temperature value of ca. 300 °C is taken as a key value for the chemical safety assessment of the substance.