Registration Dossier
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EC number: 436-010-0 | CAS number: 422278-61-3 PRIMID V40-32
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 June 6th to June 7th, 2001
- 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:
- yes (incl. QA statement)
- Type of method:
- thermal analysis
- Melting / freezing pt.:
- 77.4 °C
- Remarks on result:
- other: Preliminary study
- Key result
- Melting / freezing pt.:
- 77.4 °C
- Remarks on result:
- other: Main study - First experiment
- Melting / freezing pt.:
- 77.5 °C
- Remarks on result:
- other: Main study - second experiment
- Conclusions:
- The melting point of the substance was determined to be 77.4 ± 0,1 °C.
- Executive summary:
A study according to OECD TG 102 was performed.
In the main study, the test item was heated from 25 to 140 °C using a calorimeter, with heating rate of 5 K/min.
Two separate measurements were done. In the first run, the melting of the substance was observed at 77.4 °C, while in the second run substance melted at 77.5 °C.
Therefore, melting point was determined to be 77.4 ± 0.1 °C.
Reference
The table with detailed results is attached as illustration.
Preliminary test (heating rate of 20 K/min from 25 to 400 °C)
Melting point was observed at 77.4 °C. A second endothermic effect, the boiling, was detected at about 283 °C. After the experiment, the sample has lost about 97% of its mass and the color of the sample residue was changed to brown.
Main studies (heating rate of 5 K/min from 25 to 140 °C)
Melting point was observed at 77.4 °C in the first run and 77.5°C in the second run. During these runs, the samples lost 90% and 95% of their mass, respectively. After the measurement both samples were coloured brown and melted.
Description of key information
In a study according to OECD TG 102, melting point of the substance was determined to be 77.4 ± 0.1 °C.
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- 77.4 °C
Additional information
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
