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Diss Factsheets

Administrative data

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

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2005

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method C.1 (Acute Toxicity for Fish)
GLP compliance:
yes (incl. QA statement)

Test material

Constituent 1
Chemical structure
Reference substance name:
4-chloro-6-(2-chlorophenoxy)-5-fluoropyrimidine
Cas Number:
213265-81-7
Molecular formula:
C10H5Cl2FN2O
IUPAC Name:
4-chloro-6-(2-chlorophenoxy)-5-fluoropyrimidine

Sampling and analysis

Analytical monitoring:
yes

Test solutions

Vehicle:
no

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 concentrationsopen allclose all
Duration:
96 h
Dose descriptor:
LC0
Effect conc.:
0.53 mg/L
Nominal / measured:
meas. (geom. mean)
Conc. based on:
act. ingr.
Basis for effect:
mortality (fish)
Duration:
96 h
Dose descriptor:
LC100
Effect conc.:
2.34 mg/L
Nominal / measured:
meas. (geom. mean)
Conc. based on:
act. ingr.
Basis for effect:
mortality (fish)
Duration:
96 h
Dose descriptor:
LC50
Effect conc.:
1.28 mg/L
Nominal / measured:
meas. (geom. mean)
Conc. based on:
act. ingr.
Basis for effect:
mortality (fish)

Applicant's summary and conclusion

Validity criteria fulfilled:
yes
Conclusions:
The substance is toxic to fish under the conditions this study.