Registration Dossier
Registration Dossier
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EC number: 265-352-1 | CAS number: 65060-02-8
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:
- From October 21, 2016 to November 11, 2016
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Deviations:
- no
- GLP compliance:
- not specified
- Type of method:
- differential scanning calorimetry
- Key result
- Melting / freezing pt.:
- >= 68 - <= 104 °C
- Atm. press.:
- 1 007 mBar
- Remarks on result:
- other: atm. press.: assumed to be same as the boiling point study
- Conclusions:
- Under the study conditions, the test substance showed a melting area of the main components between 68°C and 104°C (DSC).
- Executive summary:
A study was conducted to determine the melting point of the test substance, C16 TMA-MS (93.44% active), according to OECD Guideline 102 and EU Method A.1. To determine the melting behaviour (three independent single measurements), the test substance was measured by Differential Scanning Calorimetry (DSC) between -90°C and 250°C with a heating / cooling rate of 10 K/min in 3 cycles. For the measurement, a capsulated crucible was used. The test substance showed a melting area of the main components between 68°C and 104°C. The cooling run showed a crystallization. Additionally, the heating runs showed a glass transition temperature at 56°C and a melting of a sub component between -13°C and 21°C and between 131°C and 187°C. In the last run, the test substance howed a melting although. Under the study conditions, the test substance showed a melting range of the main components between 68°C and 104°C (Henkel, 2016).
Reference
- The test substance showed a melting area of the main components between 68°C and 104°C.
(a) 68°C – 104°C (from first measurement)
(b) 68°C – 106°C (from second measurement)
(c) 67°C – 103°C (from third measurement)
- The cooling run showed a crystallization. Additionally, the heating runs showed a glass transition temperature at 56°C and a melting of a sub component between -13°C and 21°C and between 131°C and 187°C. In the last run, the test substance howed a melting although.
Description of key information
The melting point of the test substance was determined using differential scanning calorimetry, according to OECD Guideline 102 and EU Method A.1 (Henkel, 2016).
Key value for chemical safety assessment
Additional information
The test substance showed a melting range of the main components between 68°C and 104°C
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