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Diss Factsheets

Physical & Chemical properties

Melting point / freezing point

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Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
GLP compliance:
no
Type of method:
thermal analysis
Remarks:
DSC
Key result
Atm. press.:
ca. 1 atm
Decomposition:
yes
Decomp. temp.:
ca. 215.9 °C

An endothermic peak was observed between 115 -148°C, followed by substance decomposition between 216 -353°C. The decomposition onset is 215.9°C with an enthalpy energy of 489.9 J/g.

Conclusions:
The substace melting point was determined by DSC according to OECD 102. The decomposition of the substance was observed with onset temperature equal to 215.9°C.
Executive summary:

The substance melting point was tested by thermoanalysis (DSC) according to OECD 102. An endothermic peak was observed between 115 -148 °C, followed by substance decomposition between 216 -353 °C. The decomposition onset is 215.9°C with an enthalpy energy of 489.9 J/g (REACH&Colours, 2015).

Endpoint:
melting point/freezing point
Type of information:
other: estimated by calculation
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
results derived from a valid (Q)SAR model and falling into its applicability domain, with adequate and reliable documentation / justification
Qualifier:
no guideline required
GLP compliance:
no
Type of method:
other: estimation by EPIWEB v. 4.11
Key result
Melting / freezing pt.:
ca. 349.84 °C
Atm. press.:
ca. 1 atm
Remarks on result:
other: the value was estimated by EPIWEB v 4.11

Melting Pt Estimations (MPBPVP v1.43):

Melting Pt (deg C): 349.84 (Mean or Weighted MP)

Conclusions:
The melting point was estimated by EPIWEB v 4.11. The value of melting point is 349.84 °C at 1 atm.
Executive summary:

The melting point was estimated by EPIWEB v 4.11. The value of melting point is 349.84 °C at 1 atm (REACH&Colours, 2016).

Description of key information

The melting point was determined according to OECD Guideline 102 (thermoanalysis-DSC) (Reach&Colours, 2015) and was also estimated using EPIWEB v 4.11 (Reach&Colours, 2016).

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
349.84 °C

Additional information