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Physical & Chemical properties

Melting point / freezing point

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
From April 01,2010 to May 07,2010
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Well described GLP compliant study conducted to recognized international test guidelines
Qualifier:
according to guideline
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Deviations:
no
Qualifier:
according to guideline
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Deviations:
no
GLP compliance:
yes
Type of method:
capillary method
Specific details on test material used for the study:
Fatty acids, C6-24 and C6-24-unsatd., Me esters, distn. residues- Physical state: black , brown semisolid- Analytical purity:100% - Storage condition of test material: room temperature- Solubility: < 10% in water, soluble in acetone, hexane and dichloromethane
Melting / freezing pt.:
> 213 - < 298 K
Decomposition:
no
Sublimation:
no
Conclusions:
The test item shows an area of melting temperatures (in the 1. and 2. heating run) between -60 °C and 25 °C (melting of crystalline parts) according to the definition in the OECD Guideline 102. The cooling run shows a crystallisation at 13 °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 27m 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).

Description of key information

-60 - 25 °C at 10100 Pa

Key value for chemical safety assessment

Additional information

The test item shows an area of melting temperatures (in the 1. and 2. heating run) between -60 °C and 25 °C (melting of crystalline parts) according to the definition in the OECD Guideline 102. The cooling run shows a crystallisation at 13 °C.