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Administrative data

Endpoint:
short-term toxicity to fish
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1997

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method C.1 (Acute Toxicity for Fish)
Version / remarks:
OECD 203
Deviations:
no
GLP compliance:
yes (incl. QA statement)

Test material

Constituent 1
Chemical structure
Reference substance name:
-
EC Number:
424-210-0
EC Name:
-
Cas Number:
23911-85-5
Molecular formula:
Hill formula: C29 H24 O7 CAS formula: C29 H24 O7
IUPAC Name:
2-benzoyl-5-[3-(4-benzoyl-3-hydroxyphenoxy)-2-hydroxypropoxy]phenol

Test solutions

Details on test solutions:
Identity and concentration of auxiliary solvent for dispersal: Dimethylformamide in dechlorinated tap water.

Test organisms

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

Study design

Test type:
static
Water media type:
freshwater
Limit test:
yes
Total exposure duration:
96 h

Test conditions

Hardness:
Total hardness was approximately 100 mg/l as CaCO3
Test temperature:
The water temperature was controlled at 14°C
Dissolved oxygen:
greater than or equal to 9.2 mg O2/l

Results and discussion

Effect concentrationsopen allclose all
Duration:
24 h
Dose descriptor:
LC50
Effect conc.:
> 0.1 mg/L
Basis for effect:
mortality (fish)
Duration:
48 h
Dose descriptor:
LC50
Effect conc.:
> 0.1 mg/L
Basis for effect:
mortality (fish)
Duration:
72 h
Dose descriptor:
LC50
Effect conc.:
> 0.1 mg/L
Basis for effect:
mortality (fish)
Duration:
96 h
Dose descriptor:
LC50
Effect conc.:
> 0.1 mg/L
Basis for effect:
mortality (fish)
Duration:
96 h
Dose descriptor:
LC100
Effect conc.:
> 0.1 mg/L
Basis for effect:
mortality (fish)
Duration:
96 h
Dose descriptor:
NOEC
Effect conc.:
>= 0.1 mg/L
Details on results:
%Concentration loss over test: 2 ... 26

Applicant's summary and conclusion

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