Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Currently viewing:

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:
22 May 2018 - 23 May 2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Version / remarks:
27 July 1995
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
capillary method
Specific details on test material used for the study:
The test material was pulverised in an agate mortar and then dried for about 24 hours in a desiccator.

- Storage conditions: The test material was stored in a dark storage place at room temperature.
- Test material identification and stability under storage: The infrared (IR) spectrum of the test material measured at the test facility was confirmed to be identical to that provided by the sponsor. In addition, the IR spectrum of the test material after the completion of the experiment was the same as that before the start of the experiment, and it indicated that the test material was stable under storage conditions.
Key result
Melting / freezing pt.:
>= 173.4 - <= 175.6 °C
Remarks on result:
other: No information on atm pressure - assumed standard atmospheric pressure
Remarks:
Because the difference between the temperature at the beginning and at the final stage of melting exceeded the measurement error (± 0.5 °C), the melting point of the test material was given as the range between the average of two measured values at the beginning of melting and that at the final stage of melting. 

No of repetition

Measured values (°C)

Beginning of melting

Final stage of melting

1

173.3

175.5

2

173.5

175.7

Average

173.4

175.6
Conclusions:
Under the conditions of this study, the melting point of the test material is 173.4 °C to 175.6 °C.
Executive summary:

The melting point of the test material was determined according to the standardised guideline OECD 102 and under GLP conditions, following the capillary method. Because the difference between the temperature at the beginning and at the final stage of melting exceeded the measurement error (± 0.5 °C), the melting point of the test material was given as the range between the average of two measured values at the beginning of melting and that at the final stage of melting.

Under the conditions of this study, the melting point of the test material is 173.4 °C to 175.6 °C.

Description of key information

The melting point of the test material is 173.4 °C to 175.6 °C.

Key value for chemical safety assessment

Additional information

The melting point of the test material was determined according to the standardised guideline OECD 102 and under GLP conditions, following the capillary method. The study was awarded a reliability score of 1 in accordance with the criteria set forth by Klimisch et al. (1997).

Because the difference between the temperature at the beginning and at the final stage of melting exceeded the measurement error (± 0.5 °C), the melting point of the test material was given as the range between the average of two measured values at the beginning of melting and that at the final stage of melting.

Under the conditions of this study, the melting point of the test material is 173.4 °C to 175.6 °C.