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Physical & Chemical properties

Melting point / freezing point

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Administrative data

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Reference
Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2011-12-08 till 2012-01-13
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Qualifier:
according to guideline
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
GLP compliance:
no
Type of method:
differential scanning calorimetry
Key result
Melting / freezing pt.:
>= -15 - <= 11 °C
Decomposition:
no
Sublimation:
no
Remarks on result:
other: The cooling runs show a crystallization at -8 °C

The test item shows a melting area of crystalline subcomponents between -15 °C and 11 °C (in the 1.-2. heating run) according to the definition in the OECD Guideline 102 (mean value from repeat determinations; 1st melting from the subcomponents).

-14 °C till + 11 °C (from first measurement)

-15 °C till + 11 °C (from second measurement)

-15 °C till + 11 °C (from third measurement)

During the melting the sample shows a crystallisation. The cooling runs show a crystallization at -8 °C.

Conclusions:
The test item shows a melting area of crystalline subcomponents between -15 °C and +11 °C. During the melting the sample shows a crystallisation at -8 °C.
Executive summary:

The melting temperature of the test item was determined in accordance with the test method OECD Guideline 102 "OECD Guideline For The Testing Of Chemicals, adopted by the Council on 27th July 1995, Melting Point/Melting Range" (similar to the test method A.1. "Melting/Freezing Temperature" as described in the Official Journal of the European Communities L383A). The test item shows a melting area of crystalline subcomponents between -15 °C and +11 °C (in the 1.-2. heating run) according to the definition in the OECD Guideline 102 (mean value from repeat determinations; 1st melting from the subcomponent). During the melting the sample shows a crystallisation at -8 °C.

Description of key information

The test item shows a melting area of crystalline subcomponents between -15 °C and +11 °C. During the melting the sample shows a crystallisation at -8 °C.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
-8 °C

Additional information

The melting temperature of the test item was determined in accordance with the test method OECD Guideline 102 "OECD Guideline For The Testing Of Chemicals, adopted by the Council on 27th July 1995, Melting Point/Melting Range" (similar to the test method A.1. "Melting/Freezing Temperature" as described in the Official Journal of the European Communities L383A). The test item shows a melting area of crystalline subcomponents between -15 °C and +11 °C (in the 1.-2. heating run) according to the definition in the OECD Guideline 102 (mean value from repeat determinations; 1st melting from the subcomponent). During the melting the sample shows a crystallisation at -8 °C.