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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:
September 2006
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
OECD Guideline 103 (Boiling Point)
Qualifier:
according to
Guideline:
EU Method A.2 (Boiling Temperature)
GLP compliance:
yes (incl. certificate)
Type of method:
differential scanning calorimetry
Key result
Boiling pt.:
>= 200.9 - <= 214.5 °C
Atm. press.:
99.8 kPa
Decomposition:
no

PRELIMINARY TESTS

Three endothermic heat effects were observed at about 84°C, 121°C and 212°C. After the experiment, the sample had completely evaporated (heating rate of 20°C/min from 25°C to 400°C). For the interpretation of the endothermic heat effects a capillary test was carried out between 25°C and 400°C with a heating rate of 10°C/min. Boiling could be observed starting at about 211°C. The atmospheric pressure during the measurements was 99.8 kPa.  

MAIN TEST

In order to determine the boiling point more precisely, further DSC-runs were recorded between 150°C and 250°C with a heating rate of 5°C/min. In the first main test run, the boiling range was determined to be between 207.5°C and 217.7°C and in the second main test run between 194.3°C and 211.3°C. After the measurements both samples had completely evaporated. In conclusion, the boiling range of the test substance was determined to be between 200.9°C and 214.5°C (which is equal to 474.1 K and 487.7 K). The atmospheric pressure during the measurements was 99.8 kPa.

Determination of the boiling range (summary)

 

Heating range [°C]

Heating range [°C/min]

Boiling range [°C]

onset

endset

Preliminary test

25 - 400

20

211.9

222.6

1st main test run

150 – 250

5

207.5

217.7

2nd main test run

150 - 250

5

194.3

211.3

Mean of boiling point range ± standard deviation

200.9 ± 9.3

214.5 ± 4.5

The mean boiling range was calculated from the onset and endset points of the endothermic reaction (main test values)

Conclusions:
The boiling point of Tetrahydrolinalyl acetate was determined to be between 200.9°C and 214.5°C (The atmospheric pressure during the measurements was 99.8 kPa).
Executive summary:

The boiling point of Tetrahydrolinalyl acetate was determined to be between 200.9°C and 214.5°C (The atmospheric pressure during the measurements was 99.8 kPa). The determination of the the boiling point / boiling range of the test item was performed according to the EEC Directive 92/69, A.2 “Boiling temperature“, December 1992 and to the OECD Guideline No. 103: “Boiling Point“, adopted July 27, 1995.

Description of key information

The boiling point of Tetrahydrolinalyl acetate was determined to be between 200.9°C and 214.5°C (The atmospheric pressure during the measurements was 99.8 kPa). The determination of the the boiling point / boiling range of the test item was performed according to the EEC Directive 92/69, A.2 “Boiling temperature“, December 1992 and to the OECD Guideline No. 103: “Boiling Point“, adopted July 27, 1995.

Key value for chemical safety assessment

Additional information