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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
supporting study
Study period:
2008
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Test performed by the departament of chemistry , University of Tennessee
Data waiving:
other justification
Justification for data waiving:
other:
Cross-reference
Reason / purpose for cross-reference:
reference to same study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2010

Materials and methods

Principles of method if other than guideline:
A software approach to estimate called EPIWIN sponsored by the EPA has been used in the past for calculing vapor pressure for analogous molecules.
GLP compliance:
no
Type of method:
other: trend analysis.

Test material

Constituent 1
Reference substance name:
742087-49-6
Cas Number:
742087-49-6
IUPAC Name:
742087-49-6
Details on test material:
Trend analysis with analogous for which vapor pressures are being sought.
Set of molecules selected are listed bellow. Each of theses molecules have a SO3-NA+ present in their structure. All molcule have extremelly small vapor pressure and the logarithm of vapor pressure log (VP) is ploted versus Molcular weigh. (MW)

Results and discussion

Vapour pressure
Temp.:
25 °C
Vapour pressure:
ca. 0 mm Hg
Remarks on result:
other: extremelly small vapor pressure

Applicant's summary and conclusion

Conclusions:
Extremely small vapor pressure