Registration Dossier
Registration Dossier
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EC number: 937-924-7 | CAS number: -
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:
- 2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- 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)
- Version / remarks:
- according to OECD 102 / 103 resp. EU A.1 / A2
- Deviations:
- no
- GLP compliance:
- no
- Other quality assurance:
- ISO/IEC 17025 (General requirements for the competence of testing and calibration laboratories)
- Type of method:
- differential scanning calorimetry
- Key result
- Decomposition:
- yes
- Decomp. temp.:
- >= 172.02 °C
- Remarks on result:
- not determinable
- Conclusions:
- No melting or boiling point of Blendazol Orange could bedetermined via DSC (differential scanning calorimetry) under these circumstances, because of decomposition of the test substance.
- Executive summary:
No melting or boiling point of Blendazol Orange could bedetermined via DSC (differential scanning calorimetry) under these circumstances, because of decomposition of the test substance.
In all runs small endothermic and exothermic were detected.
Referring to the pre-test, beginning decomposition was observed at 280 °C indicated by colour change. The bloated crucible after the DSC measurements and the remained black residue confirmed the decomposition.
Therefore beginning decomposition should be stated as:
172.02 °C (445.17 K)
Reference
Values DSC test substance second determination
Temperature[°C] |
Heat flow |
|
Decomposition |
172.02 |
47.06 mW |
1.1 Observations
Table3.5‑a Values observations
Mass test substance |
Mass crucible (before measurement): |
Mass crucible (after measurement): |
Observations |
|
First Measurement |
1.12 mg |
33.79 mg |
33.58 mg |
After the test the crucible was bloated |
Second Measurement
|
1.05 mg |
47.91 mg |
45.48 mg |
After the test the crucible was bloated |
Description of key information
No melting or boiling point of Blendazol Red could bedetermined via DSC (differential scanning calorimetry) under these circumstances, because of decomposition of the test substance.
Key value for chemical safety assessment
Additional information
No melting or boiling point of Blendazol Red could bedetermined via DSC (differential scanning calorimetry) under these circumstances, because of decomposition of the test substance.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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