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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Melting point: -57.7°C 

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
215.5 K

Additional information

A melting point value of -57.7°C is reported in two collections of reliable data. These results are considered to be reliable and the most recent is assigned as key study. The results given in several other secondary sources, to which a reliability could not be assigned, are in the range of -55 to -58°C and therefore support the key study result. Differences in the melting point may be due to impurites in the sample during testing.