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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:
supporting study
Study period:
1983
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
documentation insufficient for assessment

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1983
Report date:
1983

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: DIN 31412/15
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
2-[[4-[(2-cyanoethyl)(2-phenylethyl)amino]phenyl]azo]-5-nitrobenzonitrile
EC Number:
246-352-0
EC Name:
2-[[4-[(2-cyanoethyl)(2-phenylethyl)amino]phenyl]azo]-5-nitrobenzonitrile
Cas Number:
24610-00-2
Molecular formula:
C24H20N6O2
IUPAC Name:
2-[(E)-2-{4-[(2-cyanoethyl)(2-phenylethyl)amino]phenyl}diazen-1-yl]-5-nitrobenzonitrile
Test material form:
solid

Sampling and analysis

Analytical monitoring:
no

Test solutions

Vehicle:
not specified

Test organisms

Test organisms (species):
Leuciscus idus
Details on test organisms:
Length: 5 -7 cm
Weight: 1.2 - 1.8 g

Study design

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

Test conditions

Nominal and measured concentrations:
Nominal: 10 mg/L
Details on test conditions:
10 fish for limit concentration (1 replicate)
fill volume: 10 L
Reference substance (positive control):
no

Results and discussion

Effect concentrations
Duration:
96 h
Dose descriptor:
LC50
Effect conc.:
> 10 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
mortality (fish)
Details on results:
0% mortality at 10 mg/L

Applicant's summary and conclusion

Validity criteria fulfilled:
not specified
Conclusions:
The test item did not cause any mortality at 10 mg/L (nominal) within 96 h. The 96-h LC50 was determined >10 mg/L for Leucisdus idus. The LC50 to fish is above the water solubility limit of the test item.