Registration Dossier

Administrative data

Endpoint:
distribution modelling
Type of information:
calculation (if not (Q)SAR)
Remarks:
Migrated phrase: estimated by calculation
Adequacy of study:
key study
Study period:
2010-03-15
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:
2010
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
Release year:
2 010
Media:
air - biota - sediment(s) - soil - water

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
cis-cyclooctene of Evonik Degussa GmbH, batch 96 of 23 July 2009. Composition:
96.6 % cis-Cyclooctene
3.21 % Cyclooctane
0.06 % 1.4-Cyclooctadiene
0.03 % 1.5-Cyclooctadiene
0.03 % Ethylbenzene

Study design

Test substance input data:
- Molar mass: 110.20
- Water solubility: 0.003 g/L
- Vapour pressure: 990 Pa
- log Kow: 5.0
- Melting point: -15.8 ºC
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 (%):
99.863
Water (%):
0.008
Soil (%):
0.064
Sediment (%):
0.065
Susp. sediment (%):
0
Biota (%):
0
Aerosol (%):
0

Applicant's summary and conclusion

Conclusions:
According to a Mackay level I calculation cis-cyclooctene will be distributed almost exclusively to the atmosphere (99.86 %) while distribution to other compartments is negligible (< 0.1 %).
Executive summary:

The distribution among different compartments of cis-cyclooctene was explored through a Mackay level I model calculation. The results indicate that the relevant compartment for this chemical is the atmosphere, representing 99.86 % of the distribution. Dissipation to other compartments is negligible (< 0.1%).