Registration Dossier

Diss Factsheets

Administrative data

Endpoint:
distribution modelling
Type of information:
calculation (if not (Q)SAR)
Remarks:
Migrated phrase: estimated by calculation
Adequacy of study:
key study
Study period:
2013
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Level 1 distribution modelling has been performed using a validated level I spreadsheet model

Data source

Materials and methods

Model:
calculation according to Mackay, Level I
Calculation programme:
Validated Spreadsheet model according to publication of D. Mackay.

Test material

Constituent 1
Reference substance name:
Dodecyl fatty acids, 2-sulfoethyl ester, sodium salt
IUPAC Name:
Dodecyl fatty acids, 2-sulfoethyl ester, sodium salt

Study design

Test substance input data:
MW = 332.43 g/mol (C12 derivative)
VP = 0.0015 Pa
S = 102 mg/L
Log K(oct-water) = set to 4.116 to realistically predict sorption to soil/sediment based on back calculation from Koc of 1451 L/kg (non-hydrophobics QSAR EUSES)

Results and discussion

Percent distribution in media

Air (%):
0.008
Water (%):
7.79
Soil (%):
90.14
Sediment (%):
2.003
Susp. sediment (%):
0.063
Biota (%):
0.005

Applicant's summary and conclusion

Conclusions:
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Executive summary:

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