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Melting point / freezing point

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Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Remarks:
Information from peer reviewed reference.
Qualifier:
no guideline followed
Principles of method if other than guideline:
the methodology was not reported
GLP compliance:
no
Type of method:
other: information not reported
Key result
Melting / freezing pt.:
-155.15 °C
Atm. press.:
1 atm
Decomposition:
no
Sublimation:
no
Conclusions:
the substance has a freezing point of -155.15°C at 1 atm and 25°C.
Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: Documentation insufficient for assessment.
Qualifier:
no guideline followed
Principles of method if other than guideline:
the methodology was not reported
GLP compliance:
no
Type of method:
other: information not reported
Melting / freezing pt.:
< -130 °C
Decomposition:
no
Sublimation:
no
Remarks on result:
other: The pressure was not reported
Conclusions:
The melting point/range of the substance is < - 130°C.

Description of key information

According to Yaws Handbook of Physical Properties for Hydrocarbons and Chemicals (Electronic Edition) perfluoromethyl vinyl ether (PMVE) at the pressure of 1 atm melts/freezes at -155.15°C.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
-155.15 °C

Additional information

Information regarding melting/freezing point of perfluoromethyl vinyl ether was sourced from Yaws Handbook of Physical Properties for Hydrocarbons and Chemicals (Electronic Edition), known to contain peer-reviewed data of Klimisch-2 reliability, which reports that the test substance freezes at -155.15°C at 1 atm.


Based on the information obtained from secondary sources such as Company SDS the substance has a melting/freezing point < - 130 °C. Altought the datum obtained from the secondary sources is considered of Klimisch-4 reliability, it is consistent with the value reported by Yaws Handbook of Physical Properties for Hydrocarbons and therefore considered a supporting information.