Registration Dossier
Registration Dossier
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EC number: 613-145-5 | CAS number: 63139-21-9
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:
- 12.10. -13.10.2006
- 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:
- 1992
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- capillary method
- Key result
- Melting / freezing pt.:
- 152.5 °C
- Atm. press.:
- 1 013 hPa
- Decomposition:
- no
- Conclusions:
- The melting point of the test substance was determined to be 152.5 °C.
- Executive summary:
A study was conducted according to EU method A.1 (1992) to determine the melting point of the test item using the capillary method. The test was heated up from the starting temperature to the final temperature at a constant heating rate in the apparatus. The test item had a melting point of 152.5 °C (1013 hPa).
Reference
Heating rate: 0.5 °C / min
Filling height: 4 – 5 mm
Set point: 140 °C
End Point: 155 °C
Table 1: Results of the capillary method
Melting Points / °C |
Mean value / °C |
||
Position 1 |
Position 2 |
Position 3 |
|
152.4 |
152.5 |
152.6 |
152.5 |
152.4 |
152.5 |
152.6 |
152.5 |
Description of key information
The melting point of the test substance was determined to be 152.5 °C (reference 4.2-1).
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- 152.5 °C
Additional information
A study was conducted according to EU method A.1 (1992) to determine the melting point of the test item using the capillary method. The test was heated up from the starting temperature to the final temperature at a constant heating rate in the apparatus. The test item had a melting point of 152.5 °C (1013 hPa) (reference 4.2-1).
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