Trimethylamine, N-oxide

Vapour pressure

Link to relevant study record(s)

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

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