Registration Dossier
Registration Dossier
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EC number: 815-500-1 | CAS number: 1853175-99-1
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:
- Test dates: July 24 to August 6, 2015
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Remarks:
- The study was conducted according to an internationally recognised method, and under GLP. No deviation affected the quality of the study. The substance is adequately characterised. Therefore full validation applies.
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- issued 05 March 2015
- Type of method:
- differential scanning calorimetry
- Specific details on test material used for the study:
- - Physical state: Colourless translucent liquid
- Storage condition: Room temperature protected from direct sun light. - Key result
- Melting / freezing pt.:
- -75 °C
- Decomposition:
- no
- Executive summary:
The melting point of the test substance was determined under GLP according to EU A1 guideline, using differential scanning calorimetry (DSC) method.
The mean of three consistent determinations was retained.
The melting temperature of test substance was determined to be -75.0 ± 0.2°C.
Reference
Table 4.2/1: Melting point – results
Test No. |
Start temperature |
Heating rate |
Onset temperature |
1* |
-150 °C |
+25 °C/min |
-71.5 °C |
2 |
-100 °C |
+10 °C/min |
-74.9 °C |
3 |
-150 °C |
+10 °C/min |
-74.9 °C |
4 |
-150 °C |
+10 °C/min |
-75.3 °C |
Mean ± S.D |
-75.0 ± 0.2 °C |
||
Four successive tests were performed. (*)The last three ones were retained. The validity criteria for repeatability were fulfilled: the standard deviation within the three replicate assessments did not exceed 0.5 °C. Therefore the average value is retained as final result.
Mean onset for melting occurred at -75.0 °C ± 0.2 °C (from assays 2, 3 and 4).
Description of key information
Experimental melting point (i.e. transition from solid to liquid) = -75.0°C.
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- -75 °C
Additional information
A fully reliable experimental study, conducted according to a recognized EC method and under GLP, is available.
It is considered as a key study, and the result is retained as key data.
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.
