Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Environmental fate & pathways

Bioaccumulation: aquatic / sediment

Currently viewing:

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