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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)

Data source

Reference
Reference Type:
other: Body responsible for the test
Title:
Unnamed
Year:
1993

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: Directive 84/449/CEE - C1
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
2-butyl-4-chloro-5-formylimidazole
EC Number:
410-260-0
EC Name:
2-butyl-4-chloro-5-formylimidazole
Cas Number:
83857-96-9
Molecular formula:
C8 H11 Cl N2 O
IUPAC Name:
2-butyl-4-chloro-1H-imidazole-5-carbaldehyde

Test organisms

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

Study design

Test type:
semi-static

Test conditions

Hardness:
250 mg CaC03/L

Results and discussion

Effect concentrationsopen allclose all
Duration:
24 h
Dose descriptor:
LC50
Effect conc.:
38.5 mg/L
Basis for effect:
mortality (fish)
Duration:
48 h
Dose descriptor:
LC50
Effect conc.:
35.9 mg/L
Basis for effect:
mortality (fish)
Duration:
72 h
Dose descriptor:
LC50
Effect conc.:
34.2 mg/L
Basis for effect:
mortality (fish)
Duration:
96 h
Dose descriptor:
LC50
Effect conc.:
32.7 mg/L
Basis for effect:
mortality (fish)
Duration:
96 h
Dose descriptor:
NOEC
Effect conc.:
17 mg/L

Applicant's summary and conclusion