Registration Dossier

Diss Factsheets

Administrative data

Endpoint:
adsorption / desorption: screening
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Guideline study and GLP

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2015
Report date:
2015

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 121 (Estimation of the Adsorption Coefficient (Koc) on Soil and on Sewage Sludge using High Performance Liquid Chromatography (HPLC))
GLP compliance:
yes (incl. QA statement)
Type of method:
HPLC estimation method
Media:
soil/sewage sludge

Test material

Constituent 1
Reference substance name:
Phosphoric acid, mono C16-20 (branched, even numbered) alkyl esters
Molecular formula:
unspecified
IUPAC Name:
Phosphoric acid, mono C16-20 (branched, even numbered) alkyl esters

Results and discussion

Adsorption coefficient
Type:
log Koc
Value:
> 0.86 - < 1.94
Remarks on result:
other: Ph values of solutions could not be determined as pH value is only defined for aqueous solutions

Applicant's summary and conclusion

Validity criteria fulfilled:
yes
Conclusions:
Log Koc of the test item is between 0.86 and 1.94.