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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
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Deviations:
no
Qualifier:
according to
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:
SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: SLBN8627V
- Expiration date of the lot/batch: 31.07.2017
- Purity test date: na

STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: room temperature

TREATMENT OF TEST MATERIAL PRIOR TO TESTING
- Treatment of test material prior to testing: no
Key result
Melting / freezing pt.:
ca. 281.6 °C
Atm. press.:
ca. 101 325 Pa
Decomposition:
yes
Remarks:
The melted substance appeared brown, indicating decomposition at about 260 °C.
Decomp. temp.:
ca. 260 °C

The melting point of the substance was determined in an experimental study under GLP conditions according to OECD Test Guideline 102. The mean melting point was determined as 281.6°C, whereas decomposition was indicated by a change in the substance's colour (to brown) at approximately 260°C.

Repeat results: 281.2; 282.2; 281.4 °C (standard deviation of 0.53)
Executive summary:

The melting point of the registered substance was determined in an experimental study under GLP conditions according to OECD Test Guideline 102.

The determination of the melting temperature of the test substance was performed by the capillary method with hot block heating.

The mean melting point was determined as 281.6°C with a standard deviation of 0.53 (n=3), whereas decomposition was indicated by a change in the substance's colour at approximately 260°C.

Description of key information

The melting point of the substance was determined in an experimental study under GLP conditions according to OECD Test Guideline 102 (SIA101). The mean melting point was determined as 281.6 °C, whereas decomposition was indicated by a change in the substance's colour at approximately 260 °C.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
281.6 °C

Additional information