Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
adsorption / desorption, other
Type of information:
calculation (if not (Q)SAR)
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
accepted calculation method

Data source

Reference
Reference Type:
other company data
Title:
Unnamed
Year:
2017
Report date:
2017

Materials and methods

Principles of method if other than guideline:
calculation using the Di Toro method (1985)

Calculation mode: log Koc = 0.00028 + (0.983 x log Kow), Di Toro, D.M. 1985. A particle interaction model of reversible organic chemical sorption. Chemosphere 14(10):1503-1538;

provided by EPA – Soil Screening Guidance – Technical Background Documents, Part 5 (chemical-specific parameters). Extrapolation refers to chemicals Table 39 Group 1
GLP compliance:
no
Type of method:
other: calculation based on Kow

Test material

1
Reference substance name:
Butanedioic acid, sulfo-, 4-C16-18 (even numbered)-alkyl esters, disodium salts
IUPAC Name:
Butanedioic acid, sulfo-, 4-C16-18 (even numbered)-alkyl esters, disodium salts

Results and discussion

Adsorption coefficient
Key result
Type:
log Koc
Value:
-3.92 dimensionless
Remarks on result:
other: calculated based on experimentally determined Kow

Applicant's summary and conclusion

Validity criteria fulfilled:
not applicable
Conclusions:
log Koc: -3.92
Executive summary:

The log Koc was calculated using the expermimentally determined Kow to be log -3.92 using the correlation published by Di Toro (1985).

Calculation mode: log Koc = 0.00028 + (0.983 x log Kow), Di Toro, D.M. 1985. A particle interaction model of reversible organic chemical sorption. Chemosphere 14(10):1503-1538;

provided by EPA – Soil Screening Guidance – Technical Background Documents, Part 5 (chemical-specific parameters). Extrapolation refers to chemicals Table 39 Group 1