Registration Dossier

Diss Factsheets

Administrative data

Endpoint:
vapour pressure
Type of information:
(Q)SAR
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
results derived from a valid (Q)SAR model and falling into its applicability domain, with limited documentation / justification
Justification for type of information:
EPISuite model used and comparisons made to similar hydrocarbons

Data source

Reference
Reference Type:
other company data
Title:
Unnamed
Year:
2021
Report date:
2021

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
Use of EPISuite of modelling
Modified grain method
GLP compliance:
no
Type of method:
other: Modelling - modified grain method

Test material

Constituent 1
Chemical structure
Reference substance name:
Isoalkanes, C17 -C22 linear and branched
EC Number:
954-736-0
Molecular formula:
C17H36 x C22H46
IUPAC Name:
Isoalkanes, C17 -C22 linear and branched
Test material form:
liquid
Specific details on test material used for the study:
Modelling was assessed for the lower molecular weight component (C17) as this woudlbe the most volatile component

Results and discussion

Vapour pressure
Test no.:
#1
Temp.:
25 °C
Vapour pressure:
ca. 0.26 Pa

Any other information on results incl. tables

Note that published data on C17 indicates a slightly lower vapour pressure of 0.017 Pa at 25C

Applicant's summary and conclusion

Conclusions:
The substance is of low volatility