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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Ecotoxicological information

Short-term toxicity to fish

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Administrative data

Endpoint:
short-term toxicity to fish
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP study according to OECD / EU guidelines

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2006

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 203 (Fish, Acute Toxicity Test)
GLP compliance:
yes (incl. QA statement)

Test material

Constituent 1
Chemical structure
Reference substance name:
1-chloro-3-(4-chlorophenoxy) benzene
EC Number:
614-477-3
Cas Number:
6842-62-2
Molecular formula:
C12 H8 Cl2 O
IUPAC Name:
1-chloro-3-(4-chlorophenoxy) benzene

Sampling and analysis

Analytical monitoring:
yes

Test organisms

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

Study design

Test type:
semi-static
Water media type:
freshwater
Limit test:
no
Total exposure duration:
96 h

Results and discussion

Effect concentrations
Duration:
96 h
Dose descriptor:
LC50
Effect conc.:
0.286 mg/L
Nominal / measured:
meas. (arithm. mean)
Conc. based on:
test mat.
Basis for effect:
mortality (fish)

Applicant's summary and conclusion

Validity criteria fulfilled:
yes
Conclusions:
In a study according to OECD Guideline No. 203 3,4’-Dichlordiphenylether was found to be very toxic to Zebrafish after 96 h. The LC50 (0-96 h) was 0.286 ( 0.277 –> 0.358) mg/L. based on mean measured concentrations.