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Diss Factsheets

Physical & Chemical properties

Boiling point

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Administrative data

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Reference
Endpoint:
boiling point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
30.05.2016
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.:
98 kPa
Decomposition:
yes
Decomp. temp.:
210 °C
Remarks on result:
other: not derminable
Remarks:
not be determined because of thermal degradation of the test substance
Conclusions:
The water evaporation was observed between start temperature and 210°C. The main thermal decomposition of the test substance started at the temperature 210°C. Any peaks correspond to the melting or boiling of the test substance was not observed to the temperature at whitch the thermal decomposition started.Boiling temperature of the test substance, Direct blue 78, could not be determined because of thermal degradation of the test substance.
Executive summary:

The boiling temperature of the test substance, Direct blue 78 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

Decomposition of the test substance was observed above 210°C, i.e. 483K. Boiling of the test substance was not observed below the temperature at which decomposition started.

 

Boiling temperatureof the test substance, Direct blue 78, could not be determined because of thermal degradation of the test substance.

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

- OECD Test Guideline No 103, Boiling Point, Adopted July 27, 1995

Only one study is available.

GLP study.

Klimish score 1.

Key value for chemical safety assessment

Additional information

Decomposition of the test substance was observed above 210°C, i.e. 483K. Boiling of the test substance was not observed below the temperature at which decomposition started.

 

Boiling temperature of the test substance, Direct blue 78, could not be determined because of thermal degradation of the test substance.