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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Literature data between -65 and -63.5°C. (purity unspecified)

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
-64.2 °C

Additional information

Despite no value was required below the limit of -20°C, two reliable literature references were found. The publication relating experimental measurement of true melting point was considered as the key study, compared to the raw data of the peer-reviewed handbook. However, due to restrictions in particular regarding the unspecified purity of the substance tested, the mean value, rounded closer to the key study result, is retained for purpose of CSA.