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Physical & Chemical properties

Melting point / freezing point

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Reference
Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
June, 2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Deviations:
not specified
GLP compliance:
no
Type of method:
thermal analysis
Decomposition:
yes
Decomp. temp.:
> 206 °C
Conclusions:
The test item is a solid which decomposes before melting.
Executive summary:

Method

Differential Scanning Calorimetry (DSC) according to the OECD Test Guideline 102.

Results

At 134 °C there is a release of imbibition/crystallisation water followed by an exothermic decomposition (Onset = 206.38 °C, Enthalpy = - 140.17 j/g).

Conclusion

The test item is a solid which decomposes before melting.

Description of key information

Decomposition before melting

Key value for chemical safety assessment

Additional information

The substance was tested according to the method described into the OECD 102 Guideline. The substance decomposes before melting at temperature above 172°C.