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Physical & Chemical properties

Vapour pressure

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vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Study period:
14/11/2018 - 26/11/2018
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Non-GLP study
according to guideline
EU Method A.4 (Vapour Pressure)
GLP compliance:
Type of method:
static method
Specific details on test material used for the study:
Batch n.: 160004
Appearance: White to off-white solid
Preparation: Sample prepared prior to testing for all or parts of the testing schedule (as per set guidelines, based on particle size)
20 °C
Vapour pressure:
0.17 Pa
Remarks on result:
other: mean of 2 runs
The vapour pressure measured is 0.17 Pa at 20°C (mean of runs 1 & 2).
Executive summary:

The test is conducted to determine the vapour pressure of a test substance by the Static method.

This method involves placing a quantity of sample in the sample chamber of the glassware and a suitable manometer liquid in the U-tube. The contents of the static glassware are connected to a vacuum system linked with pressure monitors to enable the reading of any pressure/ vacuum on the contents of the static glassware. The system is evacuated until optimum vacuum is observed. This process is to ensure that there are no residual gasses within the system other than that of the test material.

The method is suitable for multi-component systems. The recommended range is 10-2to 105Pa.

The test is conducted in accordance with the procedure described in EU Regulation (EC) 440/2008, Annex Part A test A.4.

Description of key information

The test is conducted in accordance with the procedure described in EU Regulation (EC) 440/2008, Annex Part A test A.4.

Key value for chemical safety assessment

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

Additional information