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
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Accepted calculation method.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2003

Materials and methods

Model:
calculation according to Mackay, Level I
Release year:
2 003
Media:
air - biota - sediment(s) - soil - water

Test material

Reference
Name:
Unnamed
Type:
Constituent

Study design

Test substance input data:
RM-Freetext: Data used in the calculation: Temperature (°C): 25
Molar Mass (g/mol): 192
Vapor pressure (Pa): 2
Water Solubility (g/m3): 121
log Pow: 3.04
Air: 6*10^9 m³
water: 7*10^6 m³
soil: 4.5*10^4 m³ 1500 kg/m³ 2 % org. C
sediment: 2.1*10^4 m³ 1300 kg/m³ 5 % org. C
suspended sediment: 35 m³ 1500 kg/m³ 16.7 % org. C.
aerosols: 0.12 m³ 1500 kg/m³
aquatic biota: 7 m³ 1000 kg/m³ 5 % fat

Results and discussion

Percent distribution in media

Air (%):
48.3
Water (%):
44
Soil (%):
3.8
Sediment (%):
3.9
Other distribution results:
susp. sediment < 0.1 %
biota (fish) < 0.1 %

Applicant's summary and conclusion

Executive summary:

The distribution of 1,2 -dichloro-4 -nitrobenzene was estimated using Mackay Level I model. The test substance will mainly be found in the air (48.3%) and water (44%) compartement (Bayer AG, 2003).