Registration Dossier
Registration Dossier
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EC number: 500-070-7 | CAS number: 30583-72-3
Adsorption / desorption
Administrative data
- Endpoint:
- adsorption / desorption: screening
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: The study was conducted according to the O.E.C.D. test guideline with GLP compliance.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 012
- Report date:
- 2012
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))
- Deviations:
- not specified
- GLP compliance:
- yes
- Type of method:
- HPLC estimation method
- Media:
- other: HPLC column
Test material
- Reference substance name:
- 4,4'-Isopropylidenedicyclohexanol, oligomeric reaction products with 1-chloro-2,3-epoxypropane
- EC Number:
- 500-070-7
- EC Name:
- 4,4'-Isopropylidenedicyclohexanol, oligomeric reaction products with 1-chloro-2,3-epoxypropane
- Cas Number:
- 30583-72-3
- Molecular formula:
- (C15H28O2.C3H5ClO)x
- IUPAC Name:
- 4,4'-Isopropylidenedicyclohexanol, oligomeric reaction products with 1-chloro-2,3-epoxypropane
- Reference substance name:
- Cyclohexanol, 4,4'-(1-methylethylidene)bis-, polymer with 2-(chloromethyl)oxirane
- IUPAC Name:
- Cyclohexanol, 4,4'-(1-methylethylidene)bis-, polymer with 2-(chloromethyl)oxirane
- Details on test material:
- As per IUCLID Sections 1.1. 1.2. and 4.1.
Constituent 1
Constituent 2
- Radiolabelling:
- no
Study design
- Test temperature:
- Ambient
HPLC method
- Details on study design: HPLC method:
- Approximately 0.14 gram of the test substance was plased in a 10 ml volumetric and brough up to volume with methanol. Acalibration curve using structurally related reference compounds with known Log koc was established. The test substance and reference compounds with known Log Koc values were injected into an HPLC system. A calibration cruve using retention time (Log t) verses Log koc was calculated by linear regression analysis from the injection data of the reference compounds. The calibration was calculated from the literature values for the Log koc for the reference compoundsand the corresponding capacity factor. From the calibration cruve the unknown Log Koc of the test substance was estimated by retention observed under similar HPLC operational conditions.
Batch equilibrium or other method
- Analytical monitoring:
- yes
Results and discussion
Adsorption coefficient
- Type:
- Koc
- Value:
- ca. 425
- Remarks on result:
- other: Study was conducted a room temperature including HPLC column.
Results: HPLC method
- Details on results (HPLC method):
- Test substance Koc = 425 and the Log Koc = 2.63 based on estimation from the HPLC calibration curve retentions.
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Conclusions:
- Test substance Koc = 425 based on the HPLC method.
- Executive summary:
The test substance, :4,4'-Isopropylidenedicyclohexanol, oligomeric reaction products with 1-chloro-2,3-epoxypropane, was determined to have a Koc of 425 (Log Koc = 2.63) based on the HPLC method.
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