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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
Test dates: 2005-11-24 to 2006-02-22
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Remarks:
The study was conducted according to an internationally recognised method, and under GLP. No deviation affected the quality of the study. The substance is considered adequately characterised. Therefore full validation applies.
Qualifier:
according to guideline
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
GLP compliance:
yes (incl. QA statement)
Remarks:
issued 2006-02-24
Type of method:
differential scanning calorimetry
Specific details on test material used for the study:
Storage condition of test material: room temperature protected from direct sunlight.
Key result
Melting / freezing pt.:
-8 °C

Four successive tests were performed.

Individual results (onset temperature) was respectively: -8.1°C, -7.5°C, -8.1°C and -8.3°C.

Mean onset for melting occurred at -8.0 °C ± 0.4°C.

Executive summary:

The melting point of the test substance was determined under GLP according to EU A1 guideline, using the differential scanning calorimetry (DSC) method.

The mean of four consistent determinations was retained.

The melting temperature of test substance was determined to be -8.0°C.

Description of key information

Experimental melting point (i.e. transition from solid to liquid) = -8.0°C.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
-8 °C

Additional information

A fully reliable experimental study, conducted according to a recognized EC method and under GLP, is available.

It is considered as a key study, and the result is retained as key data.