Registration Dossier
Registration Dossier
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EC number: 206-033-9 | CAS number: 294-62-2
Distribution modelling
Administrative data
- Endpoint:
- distribution modelling
- Type of information:
- calculation (if not (Q)SAR)
- Remarks:
- Migrated phrase: estimated by calculation
- Adequacy of study:
- other information
- Study period:
- 2010-06-22
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Accepted calculation method
Data source
Reference
- Reference Type:
- other company data
- Title:
- Unnamed
- Year:
- 2 010
- Report date:
- 2010
Materials and methods
- Model:
- calculation according to Mackay, Level I
- Calculation programme:
- Self-made, equivalent to Level I V. 2.11 with standard settings
- Media:
- air - biota - sediment(s) - soil - water
Test material
- Reference substance name:
- Cyclododecane
- EC Number:
- 206-033-9
- EC Name:
- Cyclododecane
- Cas Number:
- 294-62-2
- Molecular formula:
- C12H24
- IUPAC Name:
- cyclododecane
- Details on test material:
- Cyclododecane as used in studies on input data
Constituent 1
Study design
- Test substance input data:
- Molecular weight: 168.33 g/mol
log Kow: 7.60
Vapour pressure: 9.83 Pa
Water solubility: 0.000016 g/l
Melting point: 60.4 °C - Environmental properties:
- Air: 6 000 000 000 m3, 1.206 kg/m3
Water: 7 000 000 m3, 1000 kg/m3
Soil: 45 000 m3, 1500 kg/m3, 2 % OC
Sediment: 21 000 m3, 1300 kg/m3, 5 % OC
Susp. sediment: 35 m3, 1500 kg/m3, 16.7 % OC
Fish: 7 m3, 1000 kg/m3, 5 % fat
Aerosol: 0.12 m3, 1500 kg/m3
Temperature: 20 °C
Results and discussion
Percent distribution in media
- Air (%):
- 84.423
- Water (%):
- 0.002
- Soil (%):
- 7.717
- Sediment (%):
- 7.803
- Susp. sediment (%):
- 0.05
- Biota (%):
- 0.005
- Aerosol (%):
- 0
Applicant's summary and conclusion
- Conclusions:
- According to a Mackay Level I model calculation the main target compartment for cyclododecane will be the atmosphere (84.4 %), followed by sediment (7.8 %) and soil (7.7 %).
- Executive summary:
According to a Mackay Level I model calculation the main target compartment for cyclododecane will be the atmosphere (84.4 %), followed by sediment (7.8 %) and soil (7.7 %).
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