Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

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.