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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:
From October 1997 to November 1997
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
according to guideline
EU Method A.4 (Vapour Pressure)
GLP compliance:
Type of method:
effusion method: by loss of weight or by trapping vaporisate
Key result
Test no.:
20 °C
Vapour pressure:
> 0 Pa
Key result
Test no.:
50 °C
Vapour pressure:
> 0 Pa
Under the study conditions, the vapour pressure of the test substance was established to be 1.00 -E07 at 20°C and 1.00 -E05 at 50°C.
Executive summary:

A study was conducted to determine the vapour pressure by the effusion method (by loss of weight) according to EU Method A.4, in compliance with GLP. The reported temperatures were the mean values of the start and end temperatures of the single measurements. The test substance was solid in the temperature range investigated. Under the study conditions, the vapour pressure was established to be 1.00-E07 at 20°C and 1.00-E05 at 50°C (Grosenick, 1997).

Description of key information

The vapour pressure was determined by the effusion method (by loss of weight) according to EU Method A.4 (Grosenick, 1997).

Key value for chemical safety assessment

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

Additional information