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Diss Factsheets

Physical & Chemical properties

Vapour pressure

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
Deviations:
no
Remarks:
The study was conducted according to the test guidelines in effect at the time of study conduct.
Qualifier:
according to guideline
Guideline:
EU Method A.4 (Vapour Pressure)
Deviations:
no
Remarks:
The study was conducted according to the test guidelines in effect at the time of study conduct.
GLP compliance:
yes
Type of method:
effusion method: vapour pressure balance
Key result
Temp.:
25 °C
Vapour pressure:
0.017 Pa
Conclusions:
This study and the conclusions which are drawn from it fulfil the quality criteria (validity, reliability, repeatability).
The test substance was found to have a vapour pressure of 0.017 Pa at 25°C.
Executive summary:

The vapour pressure was measured in accordance with OECD guideline 104. A quantity of test substance (0.9 g) was added to a furnace and the apparatus assembled and evacuated. After stabilisation the furnace temperature was then raised in steps of approximately 3ºC and measurements taken. Two runs were conducted between temperatures of 20 and 39°C. Mass differences and the sample temperature were monitored on a chart recorder on every occasion that the shutter was opened. Vapour pressure was calculated from the data.

The test substance was found to have a vapour pressure of 0.017 Pa at 25°C.

Description of key information

0.017 Pa at 25°C

Key value for chemical safety assessment

Vapour pressure:
0.017 Pa
at the temperature of:
25 °C

Additional information

OECD Guideline 104