Registration Dossier
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EC number: 700-043-1 | CAS number: -
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:
- 17 May 2008 to 15 July 2008
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Study conducted to GLP and in compliance with agreed protocols, with no or minor deviations from standard test guidelines and/or minor methodological deficiencies, which do not effect the quality of the results.
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- other: differential scanning calorimetry
- Melting / freezing pt.:
- < 253 K
- Decomposition:
- no
- Sublimation:
- no
- Remarks on result:
- other: Atmosphere: air (static)
- Conclusions:
- The melting/freezing temperature of the test material has been determined to be less than 253 ± 0.5 K.
- Executive summary:
The melting determination of the melting/freezing temperature was carried out by differential scanning calorimetry (DSC) using the procedure specified in ASTM E537-86, Method A1 of Commision Directive 92/69/EEC.
The melting/freezing temperature of the test material has been determined to be less than 253 ± 0.5 K.
Reference
Results
Thermographic data for Determinations 1 and 2 are shown in the following tables respectively.
Thermographic Data – Determination 1
Thermal Event |
Interpretation |
Temperature |
|
ºC |
K |
||
None |
No definitive signs of melting/freezing |
- |
- |
Thermographic Data – Determination 2
Thermal Event |
Interpretation |
Temperature |
|
ºC |
K |
||
None |
No definitive signs of melting/freezing |
- |
- |
Discussion
Melting/freezing at less than 253 ± 0.5K was confirmed by carrying out a pour point test, whereupon the test material was noted to pour at ≤ -20.0 ± 0.5°C (≤ 253 ± 0.5K)
Description of key information
The melting/freezing temperature of the test material has been determined to be less than 253 ± 0.5 K.
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- 253 K
Additional information
The melting determination of the melting/freezing temperature was carried out by differential scanning calorimetry (DSC) using the procedure specified in ASTM E537-86, Method A1 of Commision Directive 92/69/EEC.
The melting/freezing temperature of the test material has been determined to be less than 253 ± 0.5 K.
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