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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
short-term toxicity to fish
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: GLP-study with acceptable deviations

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1988

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 203 (Fish, Acute Toxicity Test)
Deviations:
yes
Remarks:
Test conc. at 96 hours not maintained at 80 % of initial concentration; values therefore based on initial concentration
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
1-[2-chloro-4-(4-chlorophenoxy)phenyl]ethanone
EC Number:
601-639-3
Cas Number:
119851-28-4
Molecular formula:
C14H10Cl2O2
IUPAC Name:
1-[2-chloro-4-(4-chlorophenoxy)phenyl]ethanone

Sampling and analysis

Analytical monitoring:
yes

Test solutions

Vehicle:
yes

Test organisms

Test organisms (species):
Oncorhynchus mykiss (previous name: Salmo gairdneri)

Study design

Test type:
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.:
1.5 mg/L
Nominal / measured:
meas. (initial)
Conc. based on:
test mat.
Basis for effect:
mortality (fish)
Remarks on result:
other: Value is based on actual initial concentration

Applicant's summary and conclusion

Validity criteria fulfilled:
yes
Conclusions:
The LC 50 (96 h) of the TS is 1.5 mg/L