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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
-92 °C

Additional information

 

Melting point values of -89.5 °C to -92.55°C are reported in the literature. The original references were not available for review and no further information is available. The value of -92°C corresponds with the result of the most recent study, which was considered reliable.

In accordance with Column 2 of REACH Annex VII, the boiling point study (required in Section 7.2) does not need to be conducted below a lower limit of -20 °C. The existing data is sufficient to indicate a melting point well below this temperature.