Registration Dossier
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EC number: 265-086-6 | CAS number: 64741-84-0 A complex combination of hydrocarbons obtained as the raffinate from a solvent extraction process. It consists predominantly of aliphatic hydrocarbons having carbon numbers predominantly in the range of C5 through C11 and boiling in the range of approximately 35°C to 190°C (95°F to 374°F).
Adsorption / desorption
Administrative data
- Endpoint:
- adsorption / desorption
- Remarks:
- adsorption
- Type of information:
- (Q)SAR
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: TGD guideline, QSAR calculation, acceptable with restrictions
- Justification for type of information:
- QSAR prediction: migrated from IUCLID 5.6
Data source
Reference
- Reference Type:
- publication
- Title:
- Unnamed
- Year:
- 1 995
Materials and methods
- Principles of method if other than guideline:
- This equation is based on linear regression analysis and log Kow as descriptor variable with the assumption of an equilibrium state. Sablijic and Gusten developed separate equations for different classes of chemicals. The equation for hydrophobics has been used here.
- GLP compliance:
- no
- Remarks:
- not applicable
- Type of method:
- other: calculation
- Media:
- soil
Test material
Reference
- Name:
- Unnamed
- Type:
- Constituent
- Details on test material:
- Eight representative components of the streams in this category have been identified and their Koc calculated.
- Specific details on test material used for the study:
- Details on properties of test surrogate or analogue material (migrated information):
not applicable - Radiolabelling:
- no
Study design
- Test temperature:
- not applicable
HPLC method
- Details on study design: HPLC method:
- not applicable
Batch equilibrium or other method
- Details on sampling:
- not applicable
- Details on matrix:
- not applicable
- Details on test conditions:
- not applicable
- Computational methods:
- not applicable
Results and discussion
Adsorption coefficient
- Type:
- log Koc
- Value:
- 1.46 - 4.71
Results: HPLC method
- Details on results (HPLC method):
- not applicable
Results: Batch equilibrium or other method
- Adsorption and desorption constants:
- not applicable
- Recovery of test material:
- not applicable
- Concentration of test substance at end of adsorption equilibration period:
- not applicable
- Concentration of test substance at end of desorption equilibration period:
- not applicable
- Details on results (Batch equilibrium method):
- not applicable
- Statistics:
- not applicable
Any other information on results incl. tables
Based on a log Kow range of 1.68 -5.7.
Applicant's summary and conclusion
- Validity criteria fulfilled:
- not applicable
- Conclusions:
- The calculated log Koc range is 1.46-4.71
- Executive summary:
An experimental log Koc is not available for any members of this category. In the absence of measured data the use of a QSAR to predict the log Koc is an appropriate technique to use. The calculated log Koc of this category ranges from 1.46 -4.71
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