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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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-[[4-[(2-cyanoethyl)(2-phenylethyl)amino]phenyl]azo]-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.