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Physical & Chemical properties

Melting point / freezing point

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Reference
Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
16-09-2005 to 03-10-2005
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Guideline study performed under GLP. All relevant validity criteria were met.
Qualifier:
according to guideline
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Deviations:
no
Qualifier:
according to guideline
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Deviations:
no
Qualifier:
equivalent or similar to guideline
Guideline:
other: BS4633: Method for the Determination of Crystallizing Point
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Remarks:
inspected: October 2005; signature: February 2005
Type of method:
method to determine freezing temperature
Melting / freezing pt.:
< -20.15 °C
Atm. press.:
1 atm
Remarks on result:
other: mean result of two determinations; < -20.15 ±0.5 °C or < 253 ±0.5 K
Conclusions:
The freezing temperature of the substance has been determined to be less than 253 ± 0.5 K or < -20.15 ± 0.5 °C.
Executive summary:

The melting/freezing temperature was determined using EU Method A.1 and OECD TG 102 - crystallisation point / freezing temperature method under GLP. The mean freezing temperature of the test item has been determined to be less than 253 ± 0.5 K or < -20.15 ± 0.5 °C at 1 atmosphere pressure.

Description of key information

Fp: < 253 K (< -20.15 °C) at 1 atm, EU Method A.1 - crystallisation point / freezing temperature method, 2005

Key value for chemical safety assessment

Additional information

Key Study : EU Method A.1, 2005 : The melting/freezing temperature was determined using EU Method A.1 and OECD TG 102 - crystallisation point / freezing temperature method under GLP. The mean freezing temperature of the test item has been determined to be less than 253 ± 0.5 K or < -20.15 ± 0.5 °C at 1 atmosphere pressure.