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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:
Testing was conducted between 06 October 2009 and 25 November 2009.
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Remarks:
This study was performed in accordance with an accepted method (EU Method A.1) and under the conditions of GLP. This 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 in accordance with Regulation (EC) No. 1907/2006 (REACH).
Qualifier:
according to guideline
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Remarks:
Date of GLP inspection: 15 September 2009 Date of Signature on GLP certificate: 26 November 2009
Type of method:
thermal analysis
Remarks:
Differential scanning calorimetry (DSC)
Melting / freezing pt.:
> 723 K

Overall result: Melting temperature greater than 450°C (>723 K)

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Conclusions:
The melting/freezing temperature of the test material has been determined to be greater than 723 K.
This 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 in accordance with Regulation (EC) No. 1907/2006 (REACH).
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

The melting point of aluminium orthophosphate was determined according to EU Method A.1 (Melting / Freezing Temperature) and under the conditions of GLP. 

Key value for chemical safety assessment

Additional information

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