Registration Dossier
Registration Dossier
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EC number: 931-195-9 | 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:
- 15 December 2021
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study with acceptable restrictions
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Deviations:
- no
- GLP compliance:
- not specified
- Type of method:
- capillary method
- Key result
- Melting / freezing pt.:
- >= 182.4 - <= 219.8 °C
- Conclusions:
- Under the conditions of this study the melting range of the test material was from 182.4 to 219.8°C °C. The single point melting temperature was 196.4°C.
- Executive summary:
The melting point of the test material was investigated in accordance with the standardised guideline OECD 102.
A capillary tube, filled with the test material, was placed in a heated metal block. The temperature rise was adjusted to a suitable preselected linear rate. A beam of light was directed through the sample to a photocell. On melting of the sample, the intensity of the light reaching the photocell increases and a stop signal was sent to the digital indicator reading out the temperature of the heating chamber.
Under the conditions of this study the melting range of the test material was from 182.4 to 219.8 °C. The single point melting temperature was 196.4°C.
Reference
Description of key information
Under the conditions of this study the melting range of the test material was from 182.4 to 219.8 °C. The single point melting temperature was 196.4 °C.
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- 196.4 °C
Additional information
The melting point of the test material was investigated in accordance with the standardised guideline OECD 102. The study was awarded a reliability score of 2 in accordance with the criteria set forth by Klimisch et al. (1997).
A capillary tube, filled as described in paragraph 10 (OECD report), is placed in a heated metal block. The temperature rise is adjusted to a suitable preselected linear rate. A beam of light is directed through the sample to a photocell. On melting of the sample, the intensity of the light reaching the photocell increases and a stop signal is sent to the digital indicator reading out the temperature of the heating chamber.
Under the conditions of this study the melting range of the test material was from 182.4 to 219.8 °C. The single point melting temperature was 196.4°C.
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