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Physical & Chemical properties

Melting point / freezing point

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melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
From 2018-01-29 to 2018-03-30
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
according to guideline
OECD Guideline 102 (Melting point / Melting Range)
GLP compliance:
Type of method:
capillary method
Specific details on test material used for the study:
Batch No.: 20170707
Purity: 99.13%
Key result
Melting / freezing pt.:
218.3 °C


Replicate #         

Melting RangesObserved (°C)


Melting Point Observed (°C)

 Initial  Final  Individual Mean ± SD
 1  216.1  218.1  218.1     218.3 ± 0.3
 2  215.8  218.5  218.5
The melting point of test item is 218.3 °C.
Executive summary:

The melting point of the test substance was measured by the capillary technique using the Stuart SMP 20 Melting Point Apparatus based on the procedures described in OPPTS 830.7200, OECD TG 102, and EEC method A1 methods. The temperature (°C) at which the test substance was observed to melt was recorded as the melting point. This procedure was repeated with the test substance to obtain two measurements.

The melting point of test item is 218.3 °C.

Description of key information

The melting point of test item is 218.3 °C.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
218.3 °C

Additional information