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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:
16 January, 2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Remarks:
Test method in accordance with OECD Guideline 103. GLP study.
Qualifier:
according to guideline
Guideline:
OECD Guideline 103 (Boiling point/boiling range)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
method according to Siwoloboff
Key result
Boiling pt.:
162 °C
Atm. press.:
760 mm Hg

Table 1: Boiling Point/Boiling Range Values of Reaction Mass (Fenchene, Laevo Alpha Pinene, Laevo Camphene, Dextro Camphene)

Atmospheric Pressure 760 mmHg

Repli-cation

Temperature

of Initiation of Bubble Formation (°C)

Temperature at which Continuous String of Bubbles were Observed (°C)

Mean Boiling Range

 (°C)

Boiling Point

(°C)

Kelvin (K)

R1

159

162

159-162

162

435.15

R2

159

162

162

435.15

R3

159

162

162

435.15

Mean

162

435.15

Standard Deviation

0.00

0.00


Typical Calculation

Boiling Point [in Kelvin (K)]    = Observed Boiling Point(°C) + 273.15

                                                         = 162 + 273.15

                                                         = 435.15

Conclusions:
The boiling point of the test item was observed at temperature of 162 ± 0.0ºC (760 mmHg).




Executive summary:

The boiling point of the test substance was determined according to the OECD 103 Guideline (Method according to Siwoloboff). The experiment was carried out in three replications at normal atmospheric pressure (760 mmHg). The temperature of initiation of bubble formation was recorded at 159ºC and the temperature at which a string of bubbles stopped and fluid suddenly rose in the capillary, that is, the boiling point, was observed at 162 ± 0.0ºC.

Description of key information

Key study: Test method according to OECD Guideline 103. GLP study. The boiling point of the test item was observed at temperature of 162 ± 0.0ºC (760 mmHg).

Key value for chemical safety assessment

Boiling point at 101 325 Pa:
162 °C

Additional information

Key study: The boiling point of the test substance was determined according to the OECD 103 Guideline (Method according to Siwoloboff). The experiment was carried out in three replications at normal atmospheric pressure (760 mmHg). The temperature of initiation of bubble formation was recorded at 159ºC and the temperature at which a string of bubbles stopped and fluid suddenly rose in the capillary, that is, the boiling point, was observed at 162 ± 0.0ºC.

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