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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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:
1999
Report date:
1999

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 203 (Fish, Acute Toxicity Test)
GLP compliance:
yes

Test material

Constituent 1
Reference substance name:
-
EC Number:
431-440-5
EC Name:
-
IUPAC Name:
(3-{5-[(E)-2-(3-{4-[(E)-2-{1-[3-(dimethylazaniumyl)propyl]-2-hydroxy-4-methyl-6-oxo-1,6-dihydropyridin-3-yl}diazen-1-yl]benzamido}phenyl)diazen-1-yl]-6-hydroxy-4-methyl-2-oxo-1,2-dihydropyridin-1-yl}propyl)dimethylazanium (3-{6-hydroxy-5-[(E)-2-(3-{4-[(E)-2-{2-hydroxy-4-methyl-1-[3-(methylazaniumyl)propyl]-6-oxo-1,6-dihydropyridin-3-yl}diazen-1-yl]benzamido}phenyl)diazen-1-yl]-4-methyl-2-oxo-1,2-dihydropyridin-1-yl}propyl)(methyl)azanium (3-{6-hydroxy-5-[(E)-2-(4-{3-[(E)-2-{2-hydroxy-4-methyl-1-[3-(methylazaniumyl)propyl]-6-oxo-1,6-dihydropyridin-3-yl}diazen-1-yl]benzamido}phenyl)diazen-1-yl]-4-methyl-2-oxo-1,2-dihydropyridin-1-yl}propyl)dimethylazanium hexaacetate

Sampling and analysis

Analytical monitoring:
yes
Details on sampling:
- Concentrations: nominal: 0.46, 1.0, 2.2, 4.6 and 10 mg/l

Test solutions

Vehicle:
no

Test organisms

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

Study design

Test type:
static
Water media type:
freshwater
Limit test:
no

Test conditions

Hardness:
250 mg/l as CaCO3
Test temperature:
15-16°C
pH:
7.6-7.8
Dissolved oxygen:
8.9 - 9.7 mg/l

Results and discussion

Effect concentrationsopen allclose all
Duration:
24 h
Dose descriptor:
LC50
Effect conc.:
> 7.5 mg/L
Nominal / measured:
meas. (arithm. mean)
Conc. based on:
test mat.
Basis for effect:
mortality (fish)
Duration:
48 h
Dose descriptor:
LC50
Effect conc.:
5.3 mg/L
Nominal / measured:
meas. (arithm. mean)
Conc. based on:
test mat.
Basis for effect:
mortality (fish)
Duration:
72 h
Dose descriptor:
LC50
Effect conc.:
4.6 mg/L
Nominal / measured:
meas. (arithm. mean)
Conc. based on:
test mat.
Basis for effect:
mortality (fish)
Duration:
96 h
Dose descriptor:
LC50
Effect conc.:
4.6 mg/L
Nominal / measured:
meas. (arithm. mean)
Conc. based on:
test mat.
Basis for effect:
mortality (fish)
Duration:
96 h
Dose descriptor:
LC100
Effect conc.:
7.5 mg/L
Nominal / measured:
meas. (arithm. mean)
Conc. based on:
test mat.
Basis for effect:
mortality (fish)
Duration:
96 h
Dose descriptor:
NOEC
Effect conc.:
1.2 mg/L
Conc. based on:
test mat.
Duration:
96 h
Dose descriptor:
LOEC
Effect conc.:
2.1 mg/L
Conc. based on:
test mat.
Details on results:
% Concentration loss over test: 10 ... 50

Applicant's summary and conclusion

Validity criteria fulfilled:
yes