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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
other information
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Guideline study without detailed documentation

Data source

Referenceopen allclose all

Reference Type:
secondary source
Title:
Public information data 294-62-2
Author:
Chemicals Evaluation and Research Institute (CERI)
Year:
2002
Bibliographic source:
Web search 11 Feb. 2002
Reference Type:
study report
Title:
Unnamed
Year:
2003
Report date:
2003

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:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Cyclododecane
EC Number:
206-033-9
EC Name:
Cyclododecane
Cas Number:
294-62-2
Molecular formula:
C12H24
IUPAC Name:
cyclododecane
Details on test material:
Test substance: Origin Tokyo Kasei Kogyo Co., Ltd; purity 100 %
Radiolabelling:
no

Test solutions

Vehicle:
yes
Details on preparation of test solutions, spiked fish food or sediment:
 - Vehicle: HCO-20, HCO-40

Test organisms

Test organisms (species):
Cyprinus carpio
Details on test organisms:
TEST ORGANISMS
- Size of fish: average weight 32.5 g, average total length 11.0 cm
- Lipid content of test organism: 5.4 % average

Study design

Route of exposure:
aqueous
Test type:
not specified
Water / sediment media type:
not specified
Remarks:
freshwater
Total exposure / uptake duration:
70 d

Test conditions

Test temperature:
25 +/- 1 degree C
Details on test conditions:
EXPOSURE CONDITIONS
- Exposure vessel: 100 l glass tank, 1155 l/day flow-through
- Concentration of test substance: 3 ug/l, 30 ug/l (nominal)
Reference substance (positive control):
not specified

Results and discussion

Bioaccumulation factoropen allclose all
Type:
BCF
Value:
3 860 - 17 900
Basis:
whole body w.w.
Remarks on result:
other: Conc.in environment / dose:30 µg/L
Type:
BCF
Value:
3 690 - 18 100
Basis:
whole body w.w.
Remarks on result:
other: Conc.in environment / dose:3 µg/L
Depuration
Elimination:
no

Any other information on results incl. tables

- Measured vs nominal concentrations:
  nominal:    1      2      4      6      8     10 weeks
  30 ug/l: 11.3   11.6   12.3   13.8   14.9   15.2 ug/l
   3 ug/l: 0.639  0.708  0.963  1.10   1.19   1.25 ug/l
- Bioconcentration factors
  Range at 30 ug/l: BCF 3860-18700
  Range at  3 ug/l: BCF 3690-18100
  (2 determinations for each concentration and each time point listed above)

Applicant's summary and conclusion