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Physical & Chemical properties

Melting point / freezing point

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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.