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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:
from 2008-08-14 to 2008-09-08
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Remarks:
The study is regarded as reliable without restrctions because it was conducted in accordance with GLP regulation and guideline.
Qualifier:
according to guideline
Guideline:
EU Method A.2 (Boiling Temperature)
Version / remarks:
December 1992
Deviations:
no
Qualifier:
according to guideline
Guideline:
OECD Guideline 103 (Boiling point/boiling range)
Version / remarks:
July 1995
Deviations:
no
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.7220 (Boiling Point / Boiling Range)
Version / remarks:
1996
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
method according to Siwoloboff
Remarks:
capillary method using an electronic controlled heating system
Key result
Boiling pt.:
253.3 °C
Atm. press.:
98 kPa
Decomposition:
no

Results

  

The test was carried out at 98.0 kPa atmospheric pressure. Using a linear heating rate of 0.5 °C/min, the boiling point of the test item was found to be 253.3 ± 0.05 °C (95 % confidence interval), i.e. 526.4 K.

The details are summarised in Table 1.

 

Table 1.  Measured temperatures corresponding to the boiling point of the test item (three experiments (I, II, III) with two parallel samples each (1, 2)

 

Measured Temperatures during the Main Study (°C)

 

I / 1

I / 2

II / 1

II / 2

III / 1

III / 2

Mean

Boiling point

253.2

253.2

253.3

253.3

253.3

253.3

253.3

 

Conclusions:
The test was carried out at 98.0 kPa atmospheric pressure. Using a linear heating rate of 0.5 °C/min, the boiling point of the test item was found to be 253.3 ± 0.05 °C (95 % confidence interval), i.e. 526.4 K.
Executive summary:

A study according to OECD 103 and EU Method A.2 was performed to determine the boiling point of the test item. Using the capillary method three measurements with two replicates each were conducted. The tests were carried out at 98.0 kPa atmospheric pressure. Using a linear heating rate of 0.5 °C/min, the boiling point of the test item was found to be 253.3 ± 0.05 °C (95 % confidence interval), i.e. 526.4 K.

Description of key information

Using a capillary method with an electronic controlled heating system, the boiling point of the test item was determined to 253.3 ± 0.05 °C (95 % confidence interval), i.e. 526.4 K. The test was carried out at 98.0 kPa atmospheric pressure.

Key value for chemical safety assessment

Boiling point at 101 325 Pa:
253.3 °C

Additional information

A study according to OECD 103 and EU Method A.2 was performed to determine the boiling point of the test item. Using the capillary method three measurements with two replicates each were conducted. The tests were carried out at 98.0 kPa atmospheric pressure. Using a linear heating rate of 0.5 °C/min, the boiling point of the test item was found to be 253.3 ± 0.05 °C (95 % confidence interval), i.e. 526.4 K.