Registration Dossier

Diss Factsheets

Physical & Chemical properties

Vapour pressure

Currently viewing:

Administrative data

Link to relevant study record(s)

Reference
Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Test procedure in accordance with generally accepted scientific standards and described in sufficient detail, but not performed under GLP
Qualifier:
according to guideline
Guideline:
EU Method A.4 (Vapour Pressure)
Deviations:
no
Qualifier:
according to guideline
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
Deviations:
no
GLP compliance:
no
Type of method:
static method
Remarks:
based on a capacitance manometer
Temp.:
20 °C
Vapour pressure:
3.2 Pa
Temp.:
50 °C
Vapour pressure:
32.3 Pa
Temp.:
55 °C
Vapour pressure:
46.6 Pa

For every temperature, a minimum of three measurements were performed.

Conclusions:
The vapor pressure was calculated to be 3.2 Pa at 20 °C, 32.3 Pa at 50 °C and 46.6 Pa at 55 °C .
Executive summary:

According to OECD Guideline 104 the vapor pressure is measured as 3.2 Pa at 20 °C, 32.3 Pa at 50 °C and 46.6 Pa at 55 °C. In this method, appropriate for accurate measurements down to 0.1 Pa, the compound is placed at the bottom of a cylindrical cell, at controlled temperature, and connected to a previously evacuated space to which the pressure sensor is also connected. The compound is then allowed to evaporate until the equilibrium pressure at the temperature of the sample is achieved.

Description of key information

The vapor pressure was mesured to be 3.2 Pa at 20 °C, 32.3 Pa at 50 °C and 46.6 Pa at 55 °C .

Key value for chemical safety assessment

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

Additional information

Categories Display