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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:
2022-04-05
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
comparable to guideline study with acceptable restrictions
Remarks:
DSC (Differential scanning calometry), followed by FT-IR analysis
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Deviations:
not specified
GLP compliance:
no
Type of method:
differential scanning calorimetry
Remarks:
FT-IR analysis for indentification of degradation products
Specific details on test material used for the study:
- Analytical purity: > 98% GC purity
- Lot/batch No.: 561058
- Storage condition of test material: room temperature
Key result
Melting / freezing pt.:
190 °C
Atm. press.:
101.3 kPa
Decomposition:
no
Sublimation:
no
Conclusions:
The mean melting point of Bis-MPA is 190 °C (439 K) at atmospheric pressure (101.3 kPa).
Upon melting, decomposition was observed.
Executive summary:

In an experimental study similar to OECD 102, the mean melting point of Bis-MPA was determined using the differential scanning calorimetry method. The melting point is around 190 °C (463 K) at 101.3 kPa. Upon melting, decomposition occurrs.

Description of key information

In an experimental study similar to OECD 102, the mean melting point of Bis-MPA was determined using the differential scanning calorimetry method. The melting point is 190 °C (463 K) at 101.3 kPa. Upon melting, decomposition occurs.


 

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
190 °C

Additional information

Upon melting, decomposition is observed.