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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study without detailed documentation
Nevertheless the studies were performed by an renowned official organization.
no guideline followed
Principles of method if other than guideline:
A Differential Thermal Analysis and a Differential Scanning Calorimetry analyses were performed.
GLP compliance:
Type of method:
thermal analysis
Key result
Decomp. temp.:
> 155 - < 168 °C
Remarks on result:
other: ONSET-temperatures


At an oven temperature of 144 °C a exothermic reaction took place.


Decomposition heat 596 -664 J/g

The substance decomposes with an ONSET-temperature of 155-168 °C.

Description of key information

No melting point is derived. The substance decomposes at about 160 °C. For the chemical safety assessment, a value of 160 °C was assumed.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
160 °C

Additional information