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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:
11/05/2017 to 14/06/2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
EU Method A.4 (Vapour Pressure)
Deviations:
not specified
GLP compliance:
yes
Type of method:
static method
Specific details on test material used for the study:
SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: 160405
- Expiration date of the lot/batch: data not available
- Purity test date: data not available

STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: data not available

TREATMENT OF TEST MATERIAL PRIOR TO TESTING
- Treatment of test material prior to testing: none
Key result
Temp.:
20 °C
Vapour pressure:
23.5 Pa
Remarks on result:
other: mean of runs 1 & 2

Results:

 Temp / °C

 P / Pa
 Run 1  
 20  * 24 (calculated)
 20.7  21.65
 30.0  97.57
 40.0  230
 50.0  490
 Run 2  
 20  23
 20.2  19.14
 30.0  99.03
 40.0  270
 50.0  600
Conclusions:
The vapour pressure of Trimethylamine-N-oxide is 23.5 Pa at 20°C.
Executive summary:

The vapour pressure of Trimethylamine-N-oxide was determined in a test according to EU A.4 (static method).

VP = 23.5 Pa at 20°C.

Description of key information

Static method, according to EU Method A.4 (Vapour Pressure) and GLP.

VP = 23.5 Pa at 20°C.

Key value for chemical safety assessment

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

Additional information