Registration Dossier
Registration Dossier
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EC number: 620-056-5 | CAS number: 874195-61-6
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:
- supporting study
- Study period:
- 09 Apr 2010 - 13 Apr 2010
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7200 (Melting Point / Melting Range)
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- Hess. Ministerium für Umwelt, Energie, Landwirtschaft und Verbraucherschutz, Mainzer Straße 80, D-65189 Wiesbaden
- Type of method:
- other: Differential scanning calorimetry
- Melting / freezing pt.:
- 100 °C
- Atm. press.:
- 1 013 hPa
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 14 Apr 2010 - 19 Apr 2010
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7200 (Melting Point / Melting Range)
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- Hess. Ministerium für Umwelt, Energie, Landwirtschaft und Verbraucherschutz, Mainzer Straße 80, D-65189 Wiesbaden
- Type of method:
- other: Differential scanning calorimetry
- Melting / freezing pt.:
- 105.6 °C
- Atm. press.:
- 1 013 hPa
Referenceopen allclose all
Results
Both measurements in aluminium crucibles with a hole showed an endothermic effect in the temperature range of 60 – 115 °C (melting) with an onset temperature of 100 °C. An exothermal effect was observed in the temperature range 150 – 445 °C. The onset temperature is derived from the intersection of the tangent line with the highest slope of the endothermic peak with the baseline.
Ident-No. |
Onset / °C |
Temperature range / °C |
Crucible |
30353 |
100.09 |
70 – 115 |
Aluminium with a hole |
30351 |
99.82 |
60 - 115 |
Aluminium with a hole |
The test item has a mean melting point of 100.0 °C.
Results
Both measurements in aluminium crucibles with a hole showed an endothermic effect in the temperature range of 100 – 125 °C (melting) with an onset temperature of 106 °C. The onset temperature is derived from the intersection of the tangent line with the highest slope of the endothermic peak with the baseline.
Ident-No. |
Onset / °C |
Temperature range / °C |
Crucible |
30390 |
105.67 |
100 – 120 |
Aluminium with a hole |
30391 |
105.43 |
100 - 125 |
Aluminium with a hole |
The test item has a mean melting point of 105.6 °C.
Description of key information
Pure grade: 105.6 °C at ca. 1013 hPa
Technical grade: 100 °C at ca. 1013 hPa
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- 105.6 °C
Additional information
The melting point of the test item was determined by differential scanning calorimetry according to OECD Guideline 102.
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