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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: -105.6°C

Key value for chemical safety assessment

Additional information

Two collections of reliable data (Grasselli 1975 and DIPPR) which have been subject to peer review and in which the original data sources are traceable report a melting point of -105.6°C.

The results are considered to be reliable. The key study has been chosen as that from an established peer reviewed handbook (Graselli 1975), and the other results support its accuracy.

The results given in other secondary sources, to which reliability could not be assigned, are in the range -105.6 to -107°C.