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Environmental fate & pathways

Bioaccumulation: aquatic / sediment

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Administrative data

Endpoint:
bioaccumulation in aquatic species, other
Type of information:
calculation (if not (Q)SAR)
Remarks:
Migrated phrase: estimated by calculation
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)

Data source

Reference
Reference Type:
other: Prediction model
Title:
Bioaccumulation by Environmental Science Center’s PBT profiler
Author:
Environmental Science Center
Year:
2010
Bibliographic source:
PBT profiler, Office of Chemical Safety and Pollution Prevention , U.S. Environmental Protection Agency; version 1.301

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: Modelling database
Principles of method if other than guideline:
PBT profiler database
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
4-nitro-o-xylene
EC Number:
202-761-6
EC Name:
4-nitro-o-xylene
Cas Number:
99-51-4
Molecular formula:
C8H9NO2
IUPAC Name:
4-nitro-o-xylene
Details on test material:
Substance Name : 4-nitro-o-xylene
Molecular Formula : C8H9NO2
Physical state : Liquid
Radiolabelling:
not specified

Test solutions

Vehicle:
not specified

Test organisms

Test organisms (species):
other: Fish

Study design

Route of exposure:
aqueous
Test type:
other: estimated
Water / sediment media type:
not specified

Test conditions

Hardness:
Not reported
Test temperature:
Not reported
pH:
Not reported
Dissolved oxygen:
Not reported
TOC:
Not reported
Salinity:
Not reported
Reference substance (positive control):
not specified

Results and discussion

Bioaccumulation factor
Type:
BCF
Value:
39
Basis:
not specified
Calculation basis:
other: estimated
Remarks on result:
other: other details not available

Applicant's summary and conclusion

Conclusions:
The estimated bioconcentration factor (BCF) for 4-nitro-o-xylene is 39, does not exceed the EPA bioconcentration criteria. Thus it is concluded that4-nitro-o-xylene is not expected to bioaccumulate in the food chain.
Executive summary:

The estimated bioconcentration factor (BCF) for 4-nitro-o-xylene is 39, does not exceed the EPA bioconcentration criteria. Thus it is concluded that 4-nitro-o-xylene is not expected to bioaccumulate in the food chain.