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Administrative data

Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2019.03.18~2019.04.12
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2019
Report date:
2019

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
Version / remarks:
Vapour pressure was measured by effusion method: isothermal
thermogravimetry using the procedure specified in Method 104 of the OECD
TEST Guidelines for Testing of Chemicals, 23 March 2006.
Other quality assurance:
ISO/IEC 17025 (General requirements for the competence of testing and calibration laboratories)
Type of method:
effusion method: vapour pressure balance

Test material

Constituent 1
Chemical structure
Reference substance name:
Trimethyloctylammonium methyl sulphate
EC Number:
265-332-2
EC Name:
Trimethyloctylammonium methyl sulphate
Cas Number:
65059-42-9
Molecular formula:
C11H26N.CH3O4S
IUPAC Name:
trimethyl(octyl)azanium methyl sulfate
Test material form:
solid

Results and discussion

Vapour pressureopen allclose all
Key result
Test no.:
#1
Temp.:
ca. 20 °C
Vapour pressure:
ca. 0.004 Pa
Key result
Test no.:
#2
Temp.:
ca. 25 °C
Vapour pressure:
ca. 0.005 Pa

Applicant's summary and conclusion

Conclusions:
The isothermal TGA effusion method was used for the determination of
vapour pressure of Trimethyloctylammonium methyl sulphate. Vapour
pressures of the test substance at 20℃ and 25℃ were 3.0 x 10-4 and 4.1 x 10-4
mmHg.

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