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Boiling point

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Reference
Endpoint:
boiling point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
17 March to 18 April 2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Remarks:
The study was conducted according to an internationally recognized method, and under GLP. No deviation was reported. Test substance is adequately specified with purity. Therefore full validation applies.
Qualifier:
according to guideline
Guideline:
OECD Guideline 103 (Boiling Point)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.2 (Boiling Temperature)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Remarks:
UK GLP compliance programme (inspected on 05 July 2016 / signed on 28 October 2016)
Type of method:
differential scanning calorimetry
Key result
Boiling pt.:
265.9 °C
Atm. press.:
102.4 kPa
Decomposition:
no

Table 4.3/1: Thermographic Data

 

Thermal Event

Interpretation

 

Temperature

Determination 1

Determination 2

ºC

K

ºC

K

Sharp Endotherm

 

Boiling Onset

 

266.02

539.17

265.71

538.86

 

Atmospheric pressure:

Determination 1: 102.1 kPa

Determination 2: 102.7 kPa

Overall result: Boiling point at 265.9 ± 0.5 °C (539.0 ± 0.5 K) at 102.4 kPa.

No decomposition was observed for the test item, no visible residue remained after heating.

Executive summary:

The boiling point of the test substance was measured under GLP according to OECD 103 / EU A2 guideline, DSC method. Two runs were performed, individual results were found to fall within accuracy, therefore the mean value is retained.

No decomposition was observed for the test item, no visible residue remained after heating.

 

The boiling point of the test substance has been determined to be 265.9 ± 0.5 °C (539.0 ± 0.5 K) at 102.4 kPa.

Description of key information

Measured boiling point = 265.9°C under 102.4 kPa (not corrected to normal atmP, not necessary).

Key value for chemical safety assessment

Boiling point at 101 325 Pa:
265.9 °C

Additional information

A fully reliable experimental study, conducted according to a recognized OECD/EC method and under GLP, is available. It is considered as a key study. The result is retained as key data.