Registration Dossier
Registration Dossier
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EC number: 247-530-0 | CAS number: 26239-55-4
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:
- 2015-12-01
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Version / remarks:
- 1995
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- capillary method
- Key result
- Atm. press.:
- ca. 101 325 Pa
- Decomposition:
- yes
- Decomp. temp.:
- ca. 204 °C
- Conclusions:
- As the substance turned brown and decomposed at approx. 204 °C, no melting point could be determined.
- Executive summary:
An experimental study was conducted to determine the melting point of the test item according to Regulation (EC) No 440/2008 Method A.1. and OECD Test Guideline 102 (1995). The determination of the melting temperature of the test substance was performed by the capillary method with hot block heating. As the substance turned brown and decomposed at approx. 204 °C, no melting point could be determined.
Reference
Testing the control substance caffeine (mean melting temperature of 236.3 °C, with the target melting temperature of 236.1 °C) confirmed the reliability of the apparatus.
Description of key information
As the substance turned brown and decomposed at approx. 204 °C, no melting point could be determined (reference 4.2-1).
Key value for chemical safety assessment
Additional information
An experimental study was conducted to determine the melting point of the test item according to Regulation (EC) No 440/2008 Method A.1. and OECD Test Guideline 102 (1995). The determination of the melting temperature of the test substance was performed by the capillary method with hot block heating. As the substance turned brown and decomposed at approx. 204 °C, no melting point could be determined.
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