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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
bioaccumulation in aquatic species: fish
Type of information:
experimental study
Adequacy of study:
key study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2005
Report date:
2005

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 305 (Bioconcentration: Flow-through Fish Test)
Deviations:
no

Test material

Radiolabelling:
yes

Test organisms

Test organisms (species):
Danio rerio (previous name: Brachydanio rerio)

Study design

Route of exposure:
aqueous
Test type:
flow-through
Water / sediment media type:
natural water: freshwater
Total exposure / uptake duration:
60 d
Total depuration duration:
56 d

Test conditions

Reference substance (positive control):
no

Results and discussion

Lipid contentopen allclose all
Lipid content:
6.5 %
Time point:
start of exposure
Remarks on result:
other:
Lipid content:
9.1 %
Time point:
end of exposure
Remarks on result:
other:
Lipid content:
7.9 %
Time point:
other:
Lipid content:
6.7 %
Time point:
other:
Bioaccumulation factor
Key result
Type:
BCF
Value:
1 424 dimensionless
Basis:
whole body w.w.
Calculation basis:
kinetic
Depurationopen allclose all
Key result
Elimination:
yes
Parameter:
DT50
Depuration time (DT):
19 d
Remarks on result:
other:
Key result
Elimination:
yes
Parameter:
DT50
Depuration time (DT):
18 d
Remarks on result:
other:
Rate constantsopen allclose all
Key result
Rate constant:
overall uptake rate constant (L kg-1 d-1)
Value:
165.93
Key result
Rate constant:
overall uptake rate constant (L kg-1 d-1)
Value:
160.63
Key result
Rate constant:
overall depuration rate constant (d-1)
Value:
0.037
Key result
Rate constant:
overall depuration rate constant (d-1)
Value:
0.038

Applicant's summary and conclusion

Validity criteria fulfilled:
yes