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Diss Factsheets

Physical & Chemical properties

Vapour pressure

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Administrative data

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Reference
Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Study period:
From 21 April 2016 to 28 April 2016
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.4 (Vapour Pressure)
Deviations:
no
GLP compliance:
no
Remarks:
Non-GLP study performed by a GLP accredited lab.
Type of method:
static method
Remarks:
U tube manometer
Key result
Temp.:
20 °C
Vapour pressure:
13 Pa
Remarks on result:
other: Mean value of two runs. Due to the viscosity of the test material, initial trials indicated it was extremely difficult to ensure complete degassing during the analysis. All precautions were taken to ensure optimum degassing.
Conclusions:
The vapour pressure of the test substance was determined to be 13 Pa at 20 °C.
Executive summary:

The vapour pressure of the test substance was determined in accordance with the static method described in EU Method A.4 on Vapour Pressure. The vapour pressure was determined by using a U-tube manometer. The vapour pressure was determined to be 13 Pa at 20 °C as the mean of two runs.

Description of key information

A study was performed on the registered substance. The vapour pressure of the substance was reported to be 13 Pa at 20 °C.

Key value for chemical safety assessment

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

Additional information

The vapour pressure of the registered substance was determined in accordance with EU Method A.4 on Vapour Pressure. The vapour pressure was determined by using a static method requiring a U-tube manometer. All precautions were taken to ensure optimum vacuum was achieved, as the viscosity of the registered substance made difficult to perform a complete degassing. The vapour pressure was calculated to be 13 Pa at 20 °C as the mean of two runs.