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:
2004-11-15
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:
2004
Report Date:
2004

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:
2 004
Media:
air - biota - sediment(s) - soil - water

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
1,5-Cyclooctadiene

Study design

Test substance input data:
Molecular weight: 108,18 g/mol
log Kow: 3,16
Vapour pressure: 540 Pa
Water solubility: 0,05 g/l
Melting point: -70 °C
Environmental properties:
Air:         6 000 000 000 m3, 1.206 g/l
Water:           7 000 000 m3, 1.0 g/ml
Soil:               45 000 m3, 1.5 g/ml,  2.0 % OC
Sediment:           21 000 m3, 1.3 g/ml,  5.0 % OC
Susp. Sediment:         35 m3, 1.5 g/ml, 16.7 % OC
Fish:                    7 m3, 1.0 g/ml,  5.0 % fat
Aerosol:              0.12 m3, 1.5 g/ml
Temperature:           20 °C

Results and discussion

Percent distribution in media

Air (%):
99.7
Water (%):
0.24
Soil (%):
0.03
Sediment (%):
0.03
Susp. sediment (%):
0
Biota (%):
0
Aerosol (%):
0
Other distribution results:
Air:              99.7001 %
Water:             0.2426 %
Soil:              0.0284 %
Sediment:          0.0287 %
Susp. Sediment:    0.0002 %
Fish:              0.0000 %
Aerosol:           0.00002 %

Any other information on results incl. tables

The water solubility is somewhat below 50 mg/l. This will not significantly affect the results.

Applicant's summary and conclusion

Conclusions:
According to a Mackay Level I model calculation, the main target compartment for 1,5-cyclooctadiene will be the atmosphere (99.7 %), followed by hydrosphere (0.24 %).
Executive summary:

According to a Mackay Level I model calculation, the main target compartment for 1,5-cyclooctadiene will be the atmosphere (99.7 %), followed by hydrosphere (0.24 %).