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Physical & Chemical properties

Vapour pressure

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Reference
Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Study period:
1986
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
study well documented, meets generally accepted scientific principles, acceptable for assessment
Qualifier:
according to
Guideline:
other: Transpiration method using DSC-apparatus
Version / remarks:
As described the transpiration method (partial pressure) was used for determination of enthalpies of evaporation or sublimation.
Deviations:
not applicable
GLP compliance:
no
Type of method:
other: Transpiration method using DSC-apparatus
Temp.:
20 °C
Vapour pressure:
0 mBar
Remarks on result:
other: = 0.02 Pa
Temp.:
100 °C
Vapour pressure:
0.034 mBar
Remarks on result:
other: = 3.4 Pa

heat of evapouration: 18200 cal/mol (76.16 kJ)

Conclusions:
The vapour pressure of test item was measured to be 0.02 Pa at 20°C
Executive summary:

In this study, conducted to generally accepted scientific methods, the vapour pressure of the test material (EC 213-426-9) was determined to be 0.02 Pa at 20 ºC.

Description of key information

Study conducted to generally accepted scientific methods.

Key value for chemical safety assessment

Vapour pressure:
0.02 Pa
at the temperature of:
20 °C

Additional information

The measurement was carried out by transpiration method using DSC-apparatus.