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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Melting point / freezing point

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Administrative data

Link to relevant study record(s)

Description of key information

The melting point of cyclohexane is 6.5°C at standard temperature and pressure.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
6.5 °C

Additional information

The CRC Handbook (Lide 2008) is peer reviewed and is considered reliable and suitable for use as a key study for this endpoint. The supporting study (Merck Handbook (O'Neil 2006)) is also a peer reviewed handbook and reports a value of 6.47 ˚C ( 279.62 K) and supports the value reported in the key study.