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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:
2015-03-10
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
Principles of method if other than guideline:
SOP - STR 028
GLP compliance:
no
Type of method:
differential scanning calorimetry
Key result
Melting / freezing pt.:
> 124 - < 171 °C
Atm. press.:
ca. 1 013 hPa
Decomposition:
yes
Decomp. temp.:
> 194 - < 310 °C
Conclusions:
The test item melts in a range of 124 °C and 171 °C.
Executive summary:

Method

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

 

Result

The test item melts in a range of 124 °C and 171 °C (onset at 144.2 °C, enthalpy = - 37.6 J/g), followed by two decomposition event, the first between 194-245 °C (onset at 217.3 °C, enthalpy = 256.2 J/g) and the second between 244-310 °C (onset = 247.4 °C, enthalpy = 62.1 J/g).

 

Conclusion

The test item melts in a range of 124 °C and 171 °C.

Description of key information

The test item melts in a range of 124 °C and 171 °C.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
144.2 °C

Additional information

The substance was tested according to the method described into the OECD 102 Guideline.