Registration Dossier
Registration Dossier
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EC number: 252-044-7 | CAS number: 34455-00-0
Adsorption / desorption
Administrative data
- Endpoint:
- adsorption / desorption: screening
- 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: QSAR report
- Title:
- Unnamed
- Year:
- 2 017
- Report date:
- 2017
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: REACH Technical Guidance Document on Risk Assessment
- GLP compliance:
- no
Test material
- Reference substance name:
- 1,1,2,2,3,3,4,4,4-nonafluoro-N,N-bis(2-hydroxyethyl)butane-1-sulphonamide
- EC Number:
- 252-044-7
- EC Name:
- 1,1,2,2,3,3,4,4,4-nonafluoro-N,N-bis(2-hydroxyethyl)butane-1-sulphonamide
- Cas Number:
- 34455-00-0
- Molecular formula:
- C8H10F9NO4S
- IUPAC Name:
- 1,1,2,2,3,3,4,4,4-nonafluoro-N,N-bis(2-hydroxyethyl)butane-1-sulfonamide
Constituent 1
Results and discussion
Adsorption coefficient
- Key result
- Type:
- Koc
- Value:
- 200 dimensionless
Any other information on results incl. tables
The Koc value for FBSEE diol was calculated using equation from European Chemicals Bureau: Technical Guidance Document on Risk Assessment, Chapter 4, Table 4, page 26.
Predominantly hydrophobics: Log Koc (unitless) = 0.81 logKow + 0.10
Experimental log Kow of FBSEE Diol = 2.7 at 22 °C;
Log Koc (unitless) = 0.81 x (2.7) + 0.10 = 2.3;
Koc (unitless) = 200
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Conclusions:
- The calculated Koc for FBSEE diol is 200 (unitless) using the Technical Guidance equation.
- Executive summary:
Soil-water partition coefficient (Koc and log Koc ) can be calculated using the equation from European Chemicals Bureau: Technical Guidance Document on Risk Assessment, Chapter 4, Table 4, page 26: for predominantly hydrophobics: Log Koc (unitless) = 0.81 logKow + 0.10, FBSEE diol has an experimental log Kow of 2.7 at 22 °C. Based on the equation, the calculated log Koc (unitless) was 2.3, the Koc was 200 (unitless).
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