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EC number: 240-040-8 | CAS number: 15901-40-3
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:
- 2015-07-20
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study with acceptable restrictions
- Remarks:
- The study was conducted according to an appropriate OECD test guideline and under the quality standard of ISO 9001:2008
- Qualifier:
- according to guideline
- Guideline:
- other: ISO 3016 Pour point
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Version / remarks:
- EC test guideline A.1 / 1.4.5 / 1.6.5 Pour point
- Principles of method if other than guideline:
- The pour point is the lowest temperature at which movement of the test substance is still observed. The valid temperature range of the pour point is 223 K (-50°C) to 323 K (+50°C) with an accuracy of ± 3.0 K.
- GLP compliance:
- no
- Other quality assurance:
- other: ISO 9001:2008
- Type of method:
- pour point
- Key result
- Melting / freezing pt.:
- -24 °C
- Atm. press.:
- 1 013 hPa
- Decomposition:
- no
- Key result
- Melting / freezing pt.:
- 249.2 K
- Atm. press.:
- 1 013 hPa
- Decomposition:
- no
- Conclusions:
- The melting point according to EC test guideline A.1 / 1.4.5 / 1.6.5, ISO 3016 Pour point test was -24 °C.
- Executive summary:
The melting point according to EC test guideline A.1 / 1.4.5 / 1.6.5, ISO 3016 Pour point test was -24 °C.
Reference
Result:–24 °C, 249.2 K
Time [min] |
Sample Temperature[°C] |
Observations |
0 (start) |
25 |
clear liquid |
5 |
15 |
clear liquid |
10 |
10 |
clear liquid |
15 |
5 |
clear liquid |
20 |
0 |
clear liquid |
25 |
-5 |
clear liquid |
35 |
-10 |
clear liquid |
40 |
-15 |
clear liquid |
50 |
-20 |
slightly viscous |
55 |
-22.5 |
very much viscous |
60 |
-25 |
nearly solid |
70 |
-27 |
solid (no movement) |
Description of key information
Melting point: -24°C at 1013 hPa (ISO 3016)
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- -24 °C
Additional information
Two melting/freezing point studies were performed for the submission substance. In the study conducted using a Differential Scanning Calorimetry (DSC) method, no clear freezing/melting point was detected for the substance. In the second study using a pour point method in accordance with ISO 3016 Test method and in compliance with a known quality system (ISO 9001:2008), a freezing temperature of -24°C at 1013 hPa was determined for the submission substance. This result is considered to be reliable and is selected as key study.
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.
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