Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 205-748-3 | CAS number: 149-87-1
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:
- 25 July 2008 to 17 November 2008
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Study conducted to GLP in compliance with agreed protocols, with no or minor deviations from standard test guidelines and/or minor methodological deficiencies, which do not affect the quality of the relevant results.
- 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
- Remarks:
- - Differential Scanning Calorimetry (DSC)
- Melting / freezing pt.:
- 456 K
- Remarks on result:
- other: Mean melting temperature (mean of two samples); Atm. press.: Air (static)
- Conclusions:
- Under the conditions of the study, the melting point of the test material was determined (mean of 2 determinations) to be 456 ± 0.5 K.
- Executive summary:
The melting point of the test material was investigated in study; conducted under GLP conditions and in accordance with the standardised guideline EU Method A.1., by differential scanning calorimetry.
Under the conditions of the study, the melting point of the test material was determined (mean of 2 determinations) to be 456 ± 0.5 K.
Reference
Table 1: Thermographic Data
|
Thermal Event |
Interpretation |
Temperature |
|
|
°C |
K |
||
Determination 1 (0.0052 g) |
Endotherm |
Onset of melting |
183 |
456 |
Determination 2 (0.0058 g) |
Endotherm |
Onset of melting |
183 |
456 |
Mean melting temperature: 456 K
Description of key information
Melting point = 456 ± 0.5 K, EU Method A.1., Differential Scanning Calorimetry, Butler & O'Connor (2008)
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- 456 K
Additional information
The melting point of the test material was investigated in study; conducted under GLP conditions and in accordance with the standardised guideline EU Method A.1., by differential scanning calorimetry.
Under the conditions of the study, the melting point of the test material was determined (mean of 2 determinations) to be 456 ± 0.5 K.
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.
