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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: according to company guideline and standard operating procedure
Principles of method if other than guideline:
Differential Scanning Calorimetry
GLP compliance:
not required for phys.-chem. data
Type of method:
differential scanning calorimetry
Melting / freezing pt.:
> 400 °C
Decomp. temp.:
> 400 °C
Remarks on result:
other: no melting before decomposition observed up to 400°C

neither melting nor decomposition was observed up to 400°C (see attached curves).

Description of key information

2 measurements are available.

The first measurement was performed in October 2003 for the purpose of new substance registration according to Directive 67/548/EEC. No endothermal process (melting) could be observed in the differential scanning calometry and an exothermal event was observed at about 180°C which had been attributed to a decomposition reaction.

The second measurement, representing the actual manufactured material, was performed in January 2020. This result is regarded as more reliable since recently manufactured testmaterial was measured using a state of the art and software controlled device and applying a reduced heating rate (3 K/min instead of 5 or 10 K/min).

Hence, this study is judged as the key study.

Key value for chemical safety assessment

Additional information