Registration Dossier
Registration Dossier
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EC number: 405-290-6 | CAS number: 12036-37-2
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:
- 2 October 1991 - 16 January 1992
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Study conducted to GLP in compliance with agreed protocols, with no or minor deviations from standard test guidelines and/or minor methodological deficiencies, which do not affect the quality of the relevant results.
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- capillary method
- Melting / freezing pt.:
- > 360 °C
- Melting / freezing pt.:
- > 633 K
- Conclusions:
- The melting point is >360 °C.
- Executive summary:
An attempt was made to determine the melting point of the test material using the capillary method in accordance with the standardised guidelines OECD 102 and EU Method A.1.
The test material did not show any sign of melting below 360 °C, which was the upper temperature limit for the apparatus used.
Thus the melting point, although not determinable by this method, is >360 °C.
Reference
The test material did not show any sign of melting below 360 °C (the upper temperature limit for the apparatus).
Thus the melting point, although not determinable by this method, is >360 °C.
Description of key information
The melting point is >360 °C.
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- 360 °C
Additional information
In the key study, it was attempted to determine the melting point of the test material using the capillary method in accordance with GLP and the standardised guidelines OECD 102 and EU Method A.1. The test material did not show any sign of melting below 360 °C, which was the upper temperature limit for the apparatus used. Thus the melting point, although not determinable by this method, is >360 °C.
Supporting information is provided in the form of a second study in which the melting temperature of the test material was assessed in accordance with GLP using a method designed to comply with the standardised guideline EU Method A.1. The determination was carried out using the capillary method and metal block apparatus. No sign of melting or decomposition was noted up to a temperature of 630 K.
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