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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:
12-13 July 2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Justification for type of information:
The study was conducted according to an internationally recognised method, and under GLP. The test substance is adequately characterised. Therefore full validation applies.
Qualifier:
according to guideline
Guideline:
OECD Guideline 103 (Boiling Point)
Version / remarks:
1995
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.2 (Boiling Temperature)
Version / remarks:
2008
Deviations:
no
Principles of method if other than guideline:
Not applicable
GLP compliance:
yes (incl. QA statement)
Remarks:
Inspected on 4,5 and 6 July 2016/ Signed on 10 January 2017
Type of method:
differential scanning calorimetry
Key result
Boiling pt.:
>= 219.4 °C
Atm. press.:
101.3 kPa
Decomposition:
no

First determination:

Initial boiling point was observed at 217.9°C (onset temperature of the second peak) and a corresponding mass loss was observed on the TG curve, showing that all the substance was evaporated at the end of the study.

The crucible was visually checked after the determination: By opening the crucible, no test item left in the crucible and no sign of decomposition was observed.

Atmospheric pressure: 98.1 kPa.

Second determination:

Initial boiling point was observed at 218.1°C (onset temperature of the second peak) and a corresponding mass loss was observed on the TG curve, showing that all the substance was evaporated at the end of the study.

The crucible was visually checked after the determination: By opening the crucible, no test item left in the crucible and no sign of decomposition was observed.

Atmospheric pressure: 98.1 kPa.

The corrected values following Sidney-Young equation were determined to be 219.4°C (mean of 219.3°C at 101.3 kPa for the first determination and 219.5°C at 101.3 kPa for the second determination).

Conclusions:
After correction using the Sydney Young equation, the initial boiling point of the substance was determined as 219.4 °C at 101.3 kPa (mean of 219.3 °C for the first determination and 219.5 °C for the second determination).
Executive summary:

The study was performed in order to determine the boiling point of test item according to OECD 103, resp. EU A.2, using the DSC method.

After correction using the Sydney Young equation, the initial boiling point of the substance was determined as 219.4 °C at 101.3 kPa (mean of 219.3 °C for the first determination and 219.5 °C for the second determination).

Description of key information

After correction using the Sydney Young equation, the initial boiling point of the substance was determined as 219.4 °C at 101.3 kPa (mean of 219.3 °C for the first determination and 219.5 °C for the second determination).

Key value for chemical safety assessment

Boiling point at 101 325 Pa:
219.4 °C

Additional information

A fully reliable experimental study, conducted according to OECD 103/ EU A2 guideline is available.

It is considered as a key study, and the result is retained as key data.