Registration Dossier
Registration Dossier
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EC number: 247-810-2 | CAS number: 26566-95-0
Adsorption / desorption
Administrative data
- Endpoint:
- adsorption / desorption
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2018
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 018
- Report date:
- 2018
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 121 (Estimation of the Adsorption Coefficient (Koc) on Soil and on Sewage Sludge using High Performance Liquid Chromatography (HPLC))
- GLP compliance:
- no
- Remarks:
- we conducted this study at our testing facility. It is ISO 17025 certified, but not GLP certified
Test material
- Reference substance name:
- Zinc bis[O-(2-ethylhexyl)] bis[O-(isobutyl)] bis(dithiophosphate)
- EC Number:
- 247-810-2
- EC Name:
- Zinc bis[O-(2-ethylhexyl)] bis[O-(isobutyl)] bis(dithiophosphate)
- Cas Number:
- 26566-95-0
- Molecular formula:
- C12H27O2PS2.1/2Zn
- IUPAC Name:
- Zinc, bis[O-(2-ethylhexyl) O-(2-methylpropyl) phosphorodithioato-κS,κS']-, (T-4)-
- Details on test material:
- The registered substance is from a class of UVCB chemicals referred to as ZDDPs. Molecular weights and molecular formulas vary based on the alcohol content.
Constituent 1
Study design
- Test temperature:
- 25°C
HPLC method
- Details on study design: HPLC method:
- Column: 150 mm x 4.6 mm 5µm Zorbax CN column
Mobile phase: 65% methanol/35% Water
Flow Rate: 1 ml/min
Detection: Evaporative light scattering detector, UV
Temperature: 25°C
Injection volume: 1µL
Dead Time: 1.737 min by injection of sodium nitrate
Quantity of test and references injected: 0.5 µg
Batch equilibrium or other method
- Computational methods:
- Soil adsorption coefficient (KOCWIN v2.00)
Results and discussion
Adsorption coefficient
- Key result
- Sample No.:
- #1
- Type:
- log Koc
- Value:
- ca. 1.36 dimensionless
- Temp.:
- 25 °C
Results: HPLC method
- Details on results (HPLC method):
- see report
Any other information on results incl. tables
see report attached
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Conclusions:
- see report
- Executive summary:
see report
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