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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Administrative data

Endpoint:
distribution modelling
Type of information:
calculation (if not (Q)SAR)
Adequacy of study:
supporting study
Study period:
2003
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
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

Constituent 1
Chemical structure
Reference substance name:
1,2-dichloro-4-nitrobenzene
EC Number:
202-764-2
EC Name:
1,2-dichloro-4-nitrobenzene
Cas Number:
99-54-7
Molecular formula:
C6H3Cl2NO2
IUPAC Name:
1,2-dichloro-4-nitrobenzene

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

Conclusions:
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%) compartment.
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.