Registration Dossier
Registration Dossier
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EC number: 203-577-9 | CAS number: 108-39-4
Adsorption / desorption
Administrative data
Link to relevant study record(s)
- Endpoint:
- adsorption / desorption: screening
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with generally accepted scientific standards and described in sufficient detail
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 106 (Adsorption - Desorption Using a Batch Equilibrium Method)
- GLP compliance:
- no
- Type of method:
- batch equilibrium method
- Media:
- soil
- Radiolabelling:
- no
- Test temperature:
- 20 +/-1 °C
- Analytical monitoring:
- yes
- Details on test conditions:
- Soil: Brookston clay loam soil (type Argiaquoll, fine, loamy, mixed, mesic), collected from top 15 cm air-dried, 5.10% organic matter, pH 5.7, soil/solution ratio 1:10, TS concentrations 5, 10, 20, 30, 50 mg/l, deoxygenated by purging with a mixture of N2 and H2 (9:1 v/v)
- Type:
- Koc
- Value:
- 34.58
- Transformation products:
- not measured
- Conclusions:
- The Koc of m-cresol was determined with a batch equilibrium method, similar to OECD Guideline 106. The low koc of 35 suggests a low potential for adsorption in soil.
- Executive summary:
The Koc of m-cresol was determined with a batch equilibrium method, similar to OECD Guideline 106. The low koc of 35 suggests a low potential for adsorption in clay loam.
Reference
Description of key information
The experimentally determined Koc value for m-cresol is 35 for a clay loam.
Key value for chemical safety assessment
- Koc at 20 °C:
- 35
Additional information
The distribution between the organic phase of soil solids and water was determined in batch equilibrium experiments similar to the OECD guideline 106. For a clay loam soil a Koc of 35 was determined.
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