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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: No information given whether the study was performed according to GLP.

Data source

Reference
Reference Type:
publication
Title:
Unnamed
Year:
1992

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:
Dibutyl ether
EC Number:
205-575-3
EC Name:
Dibutyl ether
Cas Number:
142-96-1
Molecular formula:
C8H18O
IUPAC Name:
1-butoxybutane
Details on test material:

dibutyl ether (purity not indicated)
Radiolabelling:
not specified

Test solutions

Vehicle:
not specified

Test organisms

Test organisms (species):
Cyprinus carpio

Study design

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

Test conditions

Test temperature:
25 °C
Nominal and measured concentrations:
0.2 and 0.02 mg/l

Results and discussion

Bioaccumulation factor
Type:
BCF
Value:
47 - 83 dimensionless
Basis:
whole body w.w.
Time of plateau:
6 wk
Remarks on result:
other: Conc.in environment / dose:0.2 mg/l
Depuration
Elimination:
not specified

Any other information on results incl. tables

The average lipid content of the fishes was 4.6 %.

At the tested concentration of 0.2 mg dibutyl ether/l a BCF
of 47-83 was measured. At the further tested concentration
of 0.02 mg dibutyl ether/l a BCF of 30 to 114 was measured.

Applicant's summary and conclusion

Validity criteria fulfilled:
yes
Conclusions:
The average lipid content of the fishes was 4.6 %. At the tested concentration of 0.2 mg dibutyl ether/l a BCF of 47-83 was measured. At the further tested concentration of 0.02 mg dibutyl ether/l a BCF of 30 to 114 was measured.