Registration Dossier
Registration Dossier
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EC number: 215-164-0 | CAS number: 1308-87-8
Melting point / freezing point
Administrative data
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- weight of evidence
- Study period:
- 15 June 2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 017
- Report date:
- 2017
Materials and methods
Test guidelineopen allclose all
- 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)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- differential scanning calorimetry
Test material
- Reference substance name:
- Didysprosium trioxide
- EC Number:
- 215-164-0
- EC Name:
- Didysprosium trioxide
- Cas Number:
- 1308-87-8
- Molecular formula:
- Dy2O3
- IUPAC Name:
- dysprosium(3+); oxygen(2-)
- Test material form:
- solid: particulate/powder
- Details on test material:
- Name of the test material (as cited in the report): didysprosium trioxide
Physical state: solid
Appearance: (pale) yellow powder
Further information on test item confidential.
Constituent 1
Results and discussion
Melting / freezing point
- Melting / freezing pt.:
- > 600 °C
- Atm. press.:
- 101.325 kPa
- Decomposition:
- no
- Sublimation:
- no
- Remarks on result:
- other: No melting point was recorded up to 600°C.
Any other information on results incl. tables
Assay No. 1 (isotherm at 25°C for 5 min, heating ramp: 25°C to 600°C at 10°C/min):
No melting point of the test item was recorded up to 600°C.
Assay No. 2 (isotherm at 25°C for 5 min, heating ramp: 25°C to 600°C at 10°C/min):
The second assay was similar to the first one.
No melting point of the test item was recorded up to 600°C.
Applicant's summary and conclusion
- Conclusions:
- The melting behaviour of didysprosium trioxide was assessed according to the EU A.1 method and OECD test guideline 102 in compliance with GLP using Differential Scanning Calorimetry (DSC). No melting point of the test item was recorded up to 600°C.
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