Registration Dossier
Registration Dossier
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EC number: 214-254-7 | CAS number: 1117-86-8
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
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: According to international guideline(s), GLP-compliant, performed in recognized contract research organization, no restrictions, fully adequate for assessment.
- 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:
- capillary method
- Melting / freezing pt.:
- 28 - 31 °C
- Melting / freezing pt.:
- 301 - 304 K
Reference
Pre-Test:
Room Temperature: liquid and colourless
5 °C and -20 °C: solid
Main test (begin and end of the melting process):
First determination: : 28.2 and 31.0 °C (301.4 and 304.2 K)
Second determination: 28.8 and 30.5 °C (301.4 and 303.7 K)
The original test item is a liquid which can be tempered to even 20 °C without solidification (e.g. endpoint study record 4.4 Density). After storage at 5 °C or lower solidification occurred and the test item stayed in solid state at room temperature. This effect indicates that the original test item is a supercooled liquid.
The difference between the duplicate determinations was in the range of the estimated accuracy of the method (± 0.5 K).
The difference between the temperature at the beginning and at the final stage of melting was not within the limits of the accuracy of the method. Thus, the two temperatures are reported (melting range).
Description of key information
melting point 28- 31 °C (OECD 102, EU A.1)
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- 30 °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.
