Registration Dossier
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EC number: 214-478-5 | CAS number: 1132-61-2
Melting point / freezing point
Administrative data
Link to relevant study record(s)
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2015-12-01
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Version / remarks:
- 2008
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Version / remarks:
- 1995
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- capillary method
- Key result
- Decomposition:
- yes
- Remarks:
- The melted substance appeared brown, indicating decomposition at about 260 °C.
- Decomp. temp.:
- ca. 260 °C
- Sublimation:
- no
- Conclusions:
- The test item melts under decomposition at 281.6 °C.
- 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.
Decomposition of the test item was determined to start at 260 °C. An effect similiar to melting was observed at 281.6 °C.
Reference
Decomposition of the test item was determined to start at 260 °C. An effect similiar to melting was observed at 281.6 °C.
Results of individual measurements: 281.2; 282.2; 281.4 °C (standard deviation of 0.53)
Description of key information
The test item decomposed starting at 260 °C (reference 4.2-1).
Key value for chemical safety assessment
Additional information
The melting point of the substance was determined in an experimental study under GLP conditions according to OECD Test Guideline 102. The test item started decomposition at approximately 260 °C. Decomposition was indicated by a change in the substance's colour. An effect similar to melting was detected at 281.6 °C.
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