Registration Dossier
Registration Dossier
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EC number: 687-691-8 | CAS number: 709031-43-6
Melting point / freezing point
Administrative data
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- Between 07 February and 15 March 2012
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: see 'Remark'
- Remarks:
- Study conducted 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. The study report was conclusive, done to a valid guideline and the study was conducted under GLP conditions.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 012
Materials and methods
Test guideline
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Version / remarks:
- - using a procedure designed to be compatible with Method A1 Melting/Freezing Temperature of Commission Regulation (EC) No 440/2008 of 30 May 2008 and Method 102 of the OECD Guidelines for Testing of Chemicals, 27 July 1995
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- other: Differential scanning calorimetry (DSC)
Test material
Reference
- Name:
- Unnamed
- Type:
- Constituent
- Details on test material:
- Identification: BMS-528235-01
Description: Off white powder
Batch: 1L63487N
Purity: 98.6 %
Expiry Date: 27 November 2014
Storage Conditions: Room temperature in the dark
Results and discussion
Melting / freezing point
- Melting / freezing pt.:
- < 449 K
- Decomposition:
- no
- Sublimation:
- no
- Remarks on result:
- other: No atmospheric pressure was recorded for this endpoint.
Any other information on results incl. tables
Results
Please see Attachment 1 for the thermograms and thermographic data.
Applicant's summary and conclusion
- Conclusions:
- The melting/freezing temperature of the test item has been determined to be 176 ± 0.5 °C (449 ± 0.5 K).
- Executive summary:
The determination was carried out by differential scanning calorimetry (DSC), using a procedure designed to be compatible with Method A1 Melting/Freezing Temperature of Commission Regulation (EC) No 440/2008 of 30 May 2008 and Method 102 of the OECD Guidelines for Testing of Chemicals, 27 July 1995.
The temperature accuracy of the DSC was assessed using an indium reference standard (purity*: 100 %) * value quoted by supplier. The melting temperature was determined to be 156.73 ºC and within the defined tolerance (156.6 ± 0.5 ºC). The DSC was therefore considered acceptable for use.
Conclusion
The melting/freezing temperature of the test item has been determined to be 176 ± 0.5 °C (449 ± 0.5 K).
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