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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:
Study was conducted on 3 June 2010
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP compliant guideline study.
Qualifier:
according to guideline
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Version / remarks:
Melting point only
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Remarks:
25 February 2009
Type of method:
capillary method
Melting / freezing pt.:
> 300 °C
Remarks on result:
other: an estimated accuracy of +/- 0.3 K

Table 1 Full test results

Run Number 2 
Mass of sample used (g)  0.0233  0.0217 
Initial Melting Temperature (°C)  N/A  N/A 
Final Melting Temperature (°C ) N/A  N/A 

Result : > 300°C

Comments: The sample did not change during testing; remained a grey solid throughout.

Conclusions:
The melting point of the Ash was found to be > 300°C.
Executive summary:

The determination was carried out in a GLP laboratory using the capillary method at athmospheric pressure according to the Method A1 Melting/Freezing Temperature in Comission Regulation (EC) 440/2008. A capillary tube, which was filled in with the pulverized test material, was heated in a stirred liquid. During the study, test material did not change its state. Thus, the melting temperature exceeds 300°C.

Description of key information

The melting point was determined in a GLP laboratory using the capillary method according to the Method A1 Melting/Freezing Temperature in Comission Regulation (EC) 440/2008. During the study, test material did not change its state. Thus, the melting temperature exceeds 300°C.

Key value for chemical safety assessment

Additional information

The state of Ash remained unchanged until the test temperature maximum (300°C).