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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
Study period:
Testing was conducted on 01 February 2010.
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
according to guideline
EU Method A.1 (Melting / Freezing Temperature)
GLP compliance:
yes (incl. QA statement)
Date of GLP inspection: 2009-09-15 Date of Signature on GLP certificate: 2009-11-26
Type of method:
other: Differential scanning calorimetry (DSC)
Key result
Melting / freezing pt.:
> 723 K
Remarks on result:
other: Atm pressure not reported

Thermogram data for determinations 1 and 2 are shown in the attachment - Thermograms

The melting/freezing temperature of the test material has been determined to be greater than 723 K.
This study is conducted according to an appropriate guideline and under the conditions of GLP and therefore the study is considered to be acceptable and to adequately satisfy both the guideline requirement and the regulatory requirement as a key study for this endpoint.
Executive summary:

The test material was determined to have a melting temperature greater than 723 K, by differential scanning caloritry, using ASTM E537-86, Method A1 Melting/Freezing Temperature of Commission Regulation (EC) No 440/2008 of 30 May 2008.

Description of key information

One key study exists. This study was performed in accordance with EU Method A1 and under the conditions of GLP. This study is considered to be appropriate and reliable for use as a key study in accordance with Regulation (EC) No. 121907/2006 (REACH). No further testing is required.  

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
450 °C

Additional information

The test material was determined to have a melting temperature greater than 723 K / 450°C.