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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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