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Environmental fate & pathways

Bioaccumulation: aquatic / sediment

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Administrative data

Endpoint:
bioaccumulation in aquatic species: fish
Type of information:
migrated information: read-across based on grouping of substances (category approach)
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Read across to Pigment Red 3– this is another substance in the Monoazo Red consortium which is a structural analogue

Data source

Reference
Reference Type:
publication
Title:
Biodegradation and Bioconcentration of existing Chemical substances
Author:
Unknown
Bibliographic source:
National Insitute of Technology and Evaluation
Report date:
1998

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 305 C (Bioaccumulation: Test for the Degree of Bioconcentration in Fish)
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
1-(4-methyl-2-nitrophenylazo)-2-naphthol
EC Number:
219-372-2
EC Name:
1-(4-methyl-2-nitrophenylazo)-2-naphthol
Cas Number:
2425-85-6
Molecular formula:
C17H13N3O3
IUPAC Name:
1-[(4-methyl-2-nitrophenyl)diazenyl]-2-naphthol
Details on test material:
Purity: 96.6%

Test organisms

Test organisms (species):
Cyprinus carpio

Study design

Total exposure / uptake duration:
6 wk

Test conditions

Nominal and measured concentrations:
Nominal concentrations: 0.1 and 1 mg/L

Results and discussion

Bioaccumulation factoropen allclose all
Type:
BCF
Value:
< 2.9 L/kg
Remarks on result:
other: Conc.in environment / dose:0.1mg/L
Type:
BCF
Value:
0.3 - < 2.7 L/kg
Remarks on result:
other: Conc.in environment / dose:1 mg/L

Applicant's summary and conclusion

Validity criteria fulfilled:
yes
Conclusions:
Low bioaccumulatuion potential