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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Reference
Endpoint:
melting point/freezing point
Type of information:
other: Data obtained from a handbook
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Principles of method if other than guideline:
The result was obtained from a peer-reviewed source
GLP compliance:
not specified
Type of method:
other: Data obtained from a handbook
Key result
Melting / freezing pt.:
-126.5 °C
Atm. press.:
1 013 hPa
Conclusions:
A melting point value of -126.5°C at 1013 hPa was reported for the substance in a handbook which has been subject to peer-review and in which the original data sources are traceable. The result is considered to be reliable.

Description of key information

Melting point: -126.5°C at 1013 hPa

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
-126.5 °C

Additional information

A melting point value of -126.5°C at 1013 hPa was reported for the substance in a handbook or collection of reliable data to which the original sources are traceable. In other handbooks or collections of reliable date, melting point values of -128.1°C to -126.5°C were reported for the substance.

In available secondary sources to which reliability could not be assigned, melting point value of -133.9°C to -126°C were reported for the substance.

The available results are in agreement that the melting point of the substance is <-20°C.