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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Description of key information

The boiling temperature of cis-cyclooctene was determined by differential scanning calorimetry according to OECD Test Guideline 103 (1995) and EU test method A.2 (2008). The result was 145.6 °C at 1013 hPa.

Key value for chemical safety assessment

Boiling point at 101 325 Pa:
145.6 °C

Additional information

Values between 135 and 148 °C were reported for the boiling point of cis-cyclooctene at 1013.25 hPa. Deviations may be due to incorrect extrapolation from the pressure of the measurement to normal pressure.