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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 conducted between 16 May 2008 and 02 Sepetember 2008
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Study conducted to GLP and in compliance with agreed protocols, with no or minor deviations from standard test guidelines and/or minor methodological deficiencies, which do not effect the quality of the relevant results.
Qualifier:
according to guideline
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Version / remarks:
ASTM E537-76
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
other: Differential scanning calorimetry
Melting / freezing pt.:
< 253 K
Remarks on result:
other: The melting/freezing temperature of the test material has been determined to be less than 253 K

Results from determination 1 and 2 are shown below in the form of tabulated thermographic data;

Thermographic data-Determination 1.

Thermal Event

Interpretation

Temperature in deg C and K

None

No definitive signs of melting/freezing

-

Thermographic data- Determination 2.

Thermal Event

Interpretation

Temperature in deg C and   K

None

No definitive signs of melting/freezing

-

Mean melting/freezing temperature: <253 +/- 0.5K

Conclusions:
The melting/freezing temperatures of the test material has been determined to be less than 253 K
Executive summary:

Method:

The determination was carried out by differential scanning calorimetry (DSC) using the procedure specified in ASTM E537 -76, Method A1 of Commision Directive 92/69/EEC (which constitutes Annex V of Council Directive 67/548/EEC).

Result:

The melting/freezing temperatures of the test material has been determined to be less than 253 K.

Description of key information

The determination was carried out by differential scanning calorimetry (DSC) using the procedure specified in ASTM E537 -76, Method A1 of Commission Directive 92/69/EEC.

The melting/freezing temperatures of the test material has been determined to be less than 253 K.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
253 K

Additional information