Registration Dossier
Registration Dossier
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EC number: 701-162-1 | CAS number: -
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 company data
- Title:
- Unnamed
- Year:
- 2 013
Materials and methods
Test guideline
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- calculated with EUSES 2.1 (QSAR for organic acids) by using log pow of 3.6
- GLP compliance:
- no
- Type of method:
- other: calculation
Test material
- Reference substance name:
- (Pentapropenyl succinimido)-caproic acid
- IUPAC Name:
- (Pentapropenyl succinimido)-caproic acid
- Reference substance name:
- 6-[3-(C12-C18)-alkenyl(branched, unsaturated)-2,5-dioxopyrrolidin-1-yl]hexanoic acid
- EC Number:
- 701-162-1
- Molecular formula:
- C22H37NO4 - C28H49NO4
- IUPAC Name:
- 6-[3-(C12-C18)-alkenyl(branched, unsaturated)-2,5-dioxopyrrolidin-1-yl]hexanoic acid
Constituent 1
Constituent 2
Study design
Batch equilibrium or other method
- Computational methods:
- calculated with EUSES 2.1 (QSAR for organic acids) by using log pow of 3.6
Results and discussion
Adsorption coefficientopen allclose all
- Type:
- Koc
- Value:
- 162 L/kg
- Type:
- Kd
- Value:
- 3.3 L/kg
- Matrix:
- soil
- % Org. carbon:
- 2
- Type:
- Kd
- Value:
- 8.1 L/kg
- Matrix:
- sediment
- % Org. carbon:
- 5
- Type:
- Kd
- Value:
- 60 L/kg
- Matrix:
- activated sludge
- % Org. carbon:
- 10
Applicant's summary and conclusion
- Conclusions:
- The registration substance has a measured Log Kow of 3.6 and based on this value the Exposure Modelling Program EUSES 2.1 calculates a Koc of 162 L/kg (QSAR for organic acids) corresponding to a Kd soil of 3.3 L/kg, Kd sediment of 8.1 L/kg and Kd activated sludge of 60 L/kg. These Kd values are low which means that an Adsorption / Desorption study is not warranted.
- Executive summary:
The registration substance has a measured Log Kow of 3.6 and based on this value the Exposure Modelling Program EUSES 2.1 calculates a Koc of 162 L/kg (QSAR for organic acids) corresponding to a Kd soil of 3.3 L/kg, Kd sediment of 8.1 L/kg and Kd activated sludge of 60 L/kg. These Kd values are low which means that an Adsorption / Desorption study is not warranted.
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