Registration Dossier
Registration Dossier
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EC number: 620-365-5 | CAS number: 9016-72-2
Boiling point
Administrative data
- Endpoint:
- boiling point
- Data waiving:
- study technically not feasible
- Justification for data waiving:
- the study does not need to be conducted because the substance is a solid which decomposes before boiling
Cross-reference
Reference
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2021-08-20 to 2021-09-21
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- differential scanning calorimetry
- Remarks:
- Three DSC measurements with a heating rate of 10K/min
- Key result
- Melting / freezing pt.:
- >= 153 - <= 157 °C
- Atm. press.:
- 1 013.3 hPa
- Decomposition:
- yes
- Decomp. temp.:
- >= 153 °C
- Conclusions:
- The test item had a melting range of 153 - 157 °C.
- Executive summary:
Under consideration of the results from the DSC measurements and the capillary method it was concluded that the test item had a melting range of 153 - 157 °C. Under consideration of the result from the melting point it was concluded that the test item had no boiling point at atmospheric conditions. The test item started to decompose before boiling could occur during the melting.
Under consideration of the result from the melting point it was concluded that the test item had no boiling point at atmospheric conditions. The test item started to decompose before boiling could occur.
A measurement with the capillary method was performed to clarify the results of the DSC
measurements. Since this measurement was performed only as a verifying screening a high heating rate of 10 K/min was chosen and therefore the absolute temperature values derived with the capillary method are not as accurate as the DSC results. The filling height of the test item was approximately 5 mm.
Data source
Materials and methods
Results and discussion
Applicant's summary and conclusion
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