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Administrative data

Endpoint:
adsorption / desorption: screening
Type of information:
calculation (if not (Q)SAR)
Adequacy of study:
key study
Study period:
19 October 2016
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
accepted calculation method

Data source

Reference
Reference Type:
other company data
Title:
Unnamed
Year:
2016
Report date:
2016

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: European Chemicals Bureau: Technical Guidance Document on Risk Assessment, Chapter 4.3: Soil and Sediment Sorption
GLP compliance:
no
Type of method:
other: calculation based on linear free energy relationship

Test material

Constituent 1
Chemical structure
Reference substance name:
2-[methyl[(nonafluorobutyl)sulphonyl]amino]ethyl methacrylate
EC Number:
266-737-7
EC Name:
2-[methyl[(nonafluorobutyl)sulphonyl]amino]ethyl methacrylate
Cas Number:
67584-59-2
Molecular formula:
C11H12F9NO4S
IUPAC Name:
2-(N-methyl1,1,2,2,3,3,4,4,4-nonafluorobutanesulfonamido)ethyl 2-methylprop-2-enoate

Results and discussion

Adsorption coefficient
Key result
Type:
log Koc
Value:
4.06
Remarks on result:
other: standard error, 0.45

Applicant's summary and conclusion

Validity criteria fulfilled:
not applicable
Conclusions:
log Koc: 4.06 ± 0.45 (calculation method given in TGD)
Executive summary:

The organic carbon normalized partition coefficient (log Koc) of C4 sulfonamido methacrylate was calculated from the log Kow value of 4.89 using an equation from European Chemicals Bureau: Technical Guidance Document on Risk Assessment, Chapter 4.3: Soil and Sediment Sorption. Per this section, the equation used is applicable to all chemicals with C, H, F, Cl, Br, and I atoms. The calculated value of log Koc was 4.06 ± 0.45.

The log Koc was calculated using an accepted method. It is considered reliable with restrictions and is suitable for Risk Assessment, Classification & Labelling, and PBT Analysis.

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