Registration Dossier
Registration Dossier
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EC number: 228-810-1 | CAS number: 6359-85-9
Boiling point
Administrative data
Link to relevant study record(s)
- Endpoint:
- boiling point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 19.10.-20.10.2016
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.2 (Boiling Temperature)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- differential scanning calorimetry
- Key result
- Atm. press.:
- 101.325 kPa
- Decomposition:
- yes
- Decomp. temp.:
- >= 230 °C
- Conclusions:
- The water evaporation connected with the beginnig thermal decomposition was observed between start temperature and 190 °C. The rapid thermal decomposition of the test substance started at the temperature 230 °C. Any peaks correspond to the boiling of the test substance was not observed to the temperature at whitch the thermal decomposition started.
- Executive summary:
Boiling temperature of the test substance, Acid Yellow 25 was investigated.
The Differential Scanning Calorimetry method was used.
The procedures used in the study were in accordance with:
- Method A.2 – Boiling Temperature (1.6.6.2 Differential scanning calorimetry), Council Regulation (EC) No.440/2008, Published in O.J. L 142, 2008
- OECD Test Guideline No 103, Boiling Point, Adopted July 27, 1995
The water evaporation connected with the beginnig thermal decomposition was observed between start temperature and 190°C. The rapid thermal decomposition of the test substance started at the temperature 230°C. Any peaks correspond to the melting or boiling of the test substance was not observed to the temperature at which the thermal decomposition started.
Boiling temperature of the test substance, Acid Yellow 25, could not be determined because of thermal decomposition of the test substance.
Reference
Description of key information
The procedures used in the study were in accordance with: Method A.2 – Boiling Temperature (1.6.6.2 Differential scanning calorimetry), Council Regulation (EC) No.440/2008, Published in O.J. L 142, 2008
Only one study is available.
GLP study.
Klimish score 1
Key value for chemical safety assessment
Additional information
Boiling temperature of the test substance, Acid Yellow 25, could not be determined because of thermal decomposition of the test substance.
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