Registration Dossier
Registration Dossier
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EC number: 466-380-9 | CAS number: 52350-17-1
Appearance / physical state / colour
Administrative data
- Endpoint:
- appearance / physical state / colour
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 01 Dec 2016 - 15 Feb 2017
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Basic data given (comparable to guidelines/standards)
Cross-reference
- Reason / purpose for cross-reference:
- reference to same study
Reference
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 01 Dec 2016 - 15 Feb 2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Remarks:
- GLP guideline study
- Reason / purpose for cross-reference:
- reference to same study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Version / remarks:
- adopted in 2008
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Version / remarks:
- adopted in 1995
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- Department of Health, London, UK
- Type of method:
- differential scanning calorimetry
- Melting / freezing pt.:
- > 450 °C
- Conclusions:
- The melting/freezing point of the substance was > 450 °C
- Executive summary:
A test according to OECD TG 102 was conducted. Specifically using differential scanning calorimetry. The measure was conducted in duplicate. The accuracy of the test procedure was checked with two reference substnces, zinc and indium.
The metling/freezing point of the substance was determined to be > 450 °C.
Discussion
Thermal analysis confirmed no phase transitions or significant thermal events when the test item was heated to a temperature of 450 °C, with the residue appearance for each determination remaining as a dark blue powder.
Conclusion
The melting point of the test item has been determined to be greater than 450 °C (> 723 K).
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 017
- Report date:
- 2017
Materials and methods
Test guideline
- Qualifier:
- no guideline required
- Principles of method if other than guideline:
- Visual inspection during melting point measurement
- GLP compliance:
- no
Test material
- Test material form:
- solid: nanoform, no surface treatment
Constituent 1
Results and discussion
- Physical state at 20°C and 1013 hPa:
- solid
Form / colour / odour
- Form:
- solid: particulate/powder
- Remarks:
- powder
- Colour:
- dark blue
- Substance type:
- inorganic
Any other information on results incl. tables
Thermal analysis confirmed no phase transitions or significant thermal events when the test item was heated to a temperature of 450 °C, with the residue appearance for each determination remaining as a dark blue powder. (see 4.2)
Applicant's summary and conclusion
- Conclusions:
- The substance was observed to be a solid dark blue powder.
- Executive summary:
The substance was observed to be a solid dark blue powder.
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