Registration Dossier
Registration Dossier
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EC number: 239-590-1 | CAS number: 15541-60-3
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:
- 16 December 2003 and 11 March 2004
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: GLP study conducted in accordance with an internationally recognised method
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- thermal analysis
- Key result
- Melting / freezing pt.:
- > 360 °C
- Conclusions:
- The melting point of the test material has been determined to be greater than 360°C (633 K).
Reference
Loss of volatile impurity or possible sublimation of the organic component of MPP at 320.8 °C (596K) in duplicate determination.
A visual assessment was performed up to 360°C, using the metal block method. No melting was observed, confirming that the endotherm present in the thermograms was due to the loss of a volatile impurity or possibly sublimation of the organic component of MPP.
Overall result: no melting observed up to 360°C (633 K)
Description of key information
The melting point of the test material has been determined to be greater than 360°C (633 K).
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- 360 °C
Additional information
MPP is a white powder, with a high melting point (>360°C) and a very low vapour pressure
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