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EC number: 947-969-4 | CAS number: -
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:
- 9th - 19th September, 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
- GLP compliance:
- not specified
- Type of method:
- differential scanning calorimetry
- Specific details on test material used for the study:
- Batch 7683104
- Melting / freezing pt.:
- < -75 °C
- Atm. press.:
- 101.3 kPa
- Decomposition:
- no
- Sublimation:
- no
- Conclusions:
- The test item shows no melting of crystalline subcomponents between -75 °C and 50 °C. The cooling run shows a crystallization.
- Executive summary:
The melting point of the test item was determined using Differential Scanning Calorimetry according to OECD TG 102. The test item was cycled between -90°C and 50°C with a heating/cooling rate of 10 K/min in 2 cycles. A capsulated crucible was used. The test item showed no melting of crystalline subcomponents between -75 °C and 50 °C. The cooling run showed a crystallization.
Reference
Typical DSC trace attached.
Description of key information
The test item melting point is < -75 °C.
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- -75 °C
Additional information
The melting point of the test item was determined using Differential Scanning Calorimetry according to OECD TG 102. The test item was cycled between -90°C and 50°C with a heating/cooling rate of 10 K/min in 2 cycles. A capsulated crucible was used. The test item showed no melting of crystalline subcomponents between -75 °C and 50 °C. The cooling run showed a crystallization.
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