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Melting point / freezing point

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melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
comparable to guideline study
equivalent or similar to guideline
OECD Guideline 102 (Melting point / Melting Range)
Version / remarks:
internal method G2801 DROP POINT (AFTER 24 HOURS)
Principles of method if other than guideline:
drop point is measured with Mettler drop point apparatus (Mettler Toledo melting point apparatus FB83HT (MP6))
Type of method:
other: drop point
Melting / freezing pt.:
38 °C
Remarks on result:
other: drop point is measured

The results are based on 2 runs: The drop point was assessed at 37.6 and 37.5 °C

Differential Scanning Calometry gave a melting curve with a series of broad inflections from which it was impossible to infer a melting point from, hence the drop point was chosen to establish its melting point.

The drop point of the substance is 38 °C

Description of key information

The drop point of the substance is 38 °C

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
38 °C

Additional information