Registration Dossier
Registration Dossier
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EC number: 427-090-8 | CAS number: 116044-44-1
Adsorption / desorption
Administrative data
- Endpoint:
- adsorption / desorption: screening
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2008
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 008
- Report date:
- 2008
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 106 (Adsorption - Desorption Using a Batch Equilibrium Method)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- batch equilibrium method
- Media:
- soil
Test material
- Reference substance name:
- A mixture of: ethyl (2R,3R)-3-isopropylbicyclo[2.2.1]hept-5-ene-2-carboxylate; ethyl (2S,3S)-3-isopropylbicyclo[2.2.1]hept-5-ene-2-carboxylate
- EC Number:
- 427-090-8
- EC Name:
- A mixture of: ethyl (2R,3R)-3-isopropylbicyclo[2.2.1]hept-5-ene-2-carboxylate; ethyl (2S,3S)-3-isopropylbicyclo[2.2.1]hept-5-ene-2-carboxylate
- Cas Number:
- 116044-44-1
- IUPAC Name:
- bis(ethyl (2R,3R)-3-(propan-2-yl)bicyclo[2.2.1]hept-5-ene-2-carboxylate)
- Details on test material:
- HERBANATE Lot No. 9000738342; Purity 99.5%
Constituent 1
- Radiolabelling:
- no
Study design
- Test temperature:
- 25°C
Dry mass soil to Volume of aqueous phase (0.01 M CacCl2) ratio :
Soil #2 - 5.8 g to 30 mL
Soil #3 - 5.5 g to 30 mL
Soil # 5 - 6 g to 30 mL
Soil #7 - 4 g to 30 mL
Batch equilibrium or other method
- Analytical monitoring:
- yes
Duration of adsorption equilibrationopen allclose all
- Sample No.:
- #3
- Duration:
- 30 min
- Initial conc. measured:
- 1.8 - 4.09 other: mg/L - First figure (1.80 mg/L) is the concn in Soil #3 of Herbanate remaining in 0.01 M CaCl2 after shaking. 4.09 mg/L is the Soil-less Control shaken for 30 minutes with 0.01M CaCl2 fortified with Herbanate - i.e. 55.8% adsorption by Soil #3.
- pH:
- 6.4
- Temp.:
- 25
- Sample No.:
- #5
- Duration:
- 30 min
- Initial conc. measured:
- 1.75 - 4.09 other: mg/L - First figure (1.75 mg/L) is the concn in Soil #5 of Herbanate remaining in 0.01 M CaCl2 after shaking. 4.09 mg/L is the Soil-less Control shaken for 30 minutes with 0.01M CaCl2 fortified with Herbanate - i.e. 57.2% adsorption by Soil #5.
Results and discussion
Adsorption coefficient
- Type:
- Kd
- Value:
- 6.71 - 85.4
- Temp.:
- 25 °C
- % Org. carbon:
- 1.29 - 9.6
- Remarks on result:
- other: See remarks in summary Table (above) for specific data on soil types, relevant Kd's and corresponding Koc's.
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
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