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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
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
study well documented, meets generally accepted scientific principles, acceptable for assessment
Qualifier:
equivalent or similar to
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Principles of method if other than guideline:
Method: measured with differential scanning calorimeter DSC-7 of Perkin-Elmer
Discrepancy between documented test parameters and standard methods, but scientifically acceptable
GLP compliance:
no
Type of method:
differential scanning calorimetry
Key result
Melting / freezing pt.:
>= 155.8 - <= 157.4 °C
Executive summary:

In a study similar to OECD Guideline 102 the melting point of the test item was determined by differential scanning calorimetry to be >= 155.8 and  <=157.4 °C.

Description of key information

Based on the most reliable information, the melting point of the test item is considered to be 155.8 °C.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
155.8 °C

Additional information

Key information

In a study similar to OECD Guideline 102 the melting point of the test item was measured by differential scanning calorimetry to be >= 155.8 and  <=157.4 °C (BASF AG, 1990).

Supporting information

The melting point of the test item was determined to be 156.5 °C (SRC PhysProp, 2008).

Conclusion

Based on the most reliable information, the melting point of the test item is considered to be 155.8 °C. This result corresponds to the value 156.5 °C provided in the literature (SCR PhysProp, 2008).