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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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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Endpoint:
melting point/freezing point
Type of information:
other: Data obtained from a handbook
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Principles of method if other than guideline:
Data is taken from a reliable handbook, information about the methodology is not available.
GLP compliance:
not specified
Type of method:
other: No data
Key result
Melting / freezing pt.:
-70 °C
Atm. press.:
1 013 hPa
Conclusions:
A melting point value of -70°C at 10213 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.
Endpoint:
melting point/freezing point
Type of information:
other: Secondary source
Adequacy of study:
weight of evidence
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
secondary literature
Principles of method if other than guideline:
Information about the methodology is not available.
GLP compliance:
not specified
Type of method:
other: No data
Key result
Melting / freezing pt.:
-68.8 °C
Atm. press.:
1 013 hPa
Conclusions:
A melting point value of -68.8°C at 1013 hPa was reported the substance in a secondary source to which reliability could not be assigned.
Endpoint:
melting point/freezing point
Type of information:
other: Data obtained from safety data booklet
Adequacy of study:
weight of evidence
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
secondary literature
Principles of method if other than guideline:
Data is taken from a secondary literature, information about the methodology is not available.
GLP compliance:
not specified
Type of method:
other: No data
Key result
Melting / freezing pt.:
-69.4 °C
Atm. press.:
1 013 hPa
Conclusions:
A melting point value of -69.4°C at 1013 hPa was reported for the substance in a secondary source to which reliability could not be assigned.
Endpoint:
melting point/freezing point
Type of information:
other: Data obtained from a handbook
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Principles of method if other than guideline:
Data is taken from a reliable handbook, information about the methodology is not available.
GLP compliance:
no
Type of method:
other: No data
Key result
Melting / freezing pt.:
-68.9 °C
Atm. press.:
1 013 hPa
Sublimation:
no
Conclusions:
A melting point value of -68.9°C at 1013 hPa was reported for the substance in a collection of reliable data which has been subject to peer-review and in which the original data sources are traceable. The result is considered to be reliable.
Endpoint:
melting point/freezing point
Type of information:
other: Safety data sheet
Adequacy of study:
weight of evidence
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
secondary literature
Principles of method if other than guideline:
Information about the methodology is not available.
GLP compliance:
not specified
Type of method:
other: no data
Key result
Melting / freezing pt.:
-68.8 °C
Atm. press.:
1 013 hPa
Conclusions:
A melting point value of -68.8°C at 1013 hPa was reported for the substance in a secondary source to which reliability could not be assigned.
Endpoint:
melting point/freezing point
Type of information:
other: Data obtained from secondary literature
Adequacy of study:
weight of evidence
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
secondary literature
Principles of method if other than guideline:
Information about the methodology is not available.
GLP compliance:
no
Type of method:
other: No data
Key result
Melting / freezing pt.:
-70 °C
Atm. press.:
1 013 hPa
Conclusions:
A melting point value of -70°C at 1013 hPa was reported for the substance in a secondary source to which reliability could not be assigned.
Endpoint:
melting point/freezing point
Type of information:
other: Data obtained from secondary literature
Adequacy of study:
weight of evidence
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
secondary literature
Principles of method if other than guideline:
Information about the methodology is not available.
GLP compliance:
no
Type of method:
other: No data
Key result
Melting / freezing pt.:
-69 °C
Atm. press.:
1 013 hPa
Conclusions:
A melting point value of -69°C at 1013 hPa was reported for the substance in a secondary source to which reliability could not be assigned.
Endpoint:
melting point/freezing point
Type of information:
other: Data obtained from secondary literature
Adequacy of study:
weight of evidence
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
secondary literature
Principles of method if other than guideline:
Data is taken from a reliable handbook, information about the methodology is not available.
GLP compliance:
not specified
Type of method:
other: No data
Key result
Melting / freezing pt.:
-70 °C
Atm. press.:
1 013 hPa
Conclusions:
A melting value of -70°C at 1013 hPa was reported for the substance in a secondary source to which reliability could not be assigned.
Endpoint:
melting point/freezing point
Type of information:
other: Data obtained from secondary literature.
Adequacy of study:
weight of evidence
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
secondary literature
Principles of method if other than guideline:
Information about the methodology is not available.
GLP compliance:
no
Type of method:
other: No data
Key result
Melting / freezing pt.:
-68.2 °C
Atm. press.:
1 013 hPa
Conclusions:
A melting point value of -68.2°C at 1013 hPa was reported for the substance in a secondary source to which reliability could not be assigned.
Endpoint:
melting point/freezing point
Type of information:
other: Data obtained from secondary literature.
Adequacy of study:
weight of evidence
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
secondary literature
Principles of method if other than guideline:
Information about the methodology is not available.
GLP compliance:
not specified
Type of method:
other: No data
Key result
Melting / freezing pt.:
-69.4 °C
Atm. press.:
1 013 hPa
Conclusions:
A melting point value of -69.4°C at 1013 hPa was reported for the substance in a secondary source to which reliability could not be assigned.
Endpoint:
melting point/freezing point
Type of information:
other: data obtained from secondary literature
Adequacy of study:
weight of evidence
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
secondary literature
Principles of method if other than guideline:
Information about the methodology is not available.
GLP compliance:
not specified
Type of method:
other:
Melting / freezing pt.:
-70.2 °C
Atm. press.:
1 013 hPa
Conclusions:
A melting point value of -70.2°C at 1013 hPa was reported for the substance in a secondary source to which reliability could not be assigned.
Endpoint:
melting point/freezing point
Type of information:
other: Data obtained from secondary literature
Adequacy of study:
weight of evidence
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
secondary literature
Principles of method if other than guideline:
Information about the methodology is not available.
GLP compliance:
not specified
Type of method:
other: No data
Key result
Melting / freezing pt.:
-68.7 °C
Atm. press.:
1 013 hPa
Conclusions:
A melting point value of -68.7°C at 1013 hPa was reported for the substance in a secondary source to which reliability could not be assigned.

Description of key information

Melting point: -70°C at 1013 hPa

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
-70 °C

Additional information

Several sources of melting/freezing point data are available for the submission substance. Melting point values of -68.9°C at 1013 hPa and -70°C at 1013 hPa were reported for the substance in handbooks or collections of reliable data which have been subject to peer-review and in which the original sources are traceable. The results are considered to be reliable.

Also, in available secondary sources to which reliability could not be assigned, melting point values of -68.2°C to -70.2°C at 1013 hPa were reported for the substance. The results are used as weight of evidence to indicate that the melting point of the submission substance is <-20°C at 1013 hPa.