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Diss Factsheets

Ecotoxicological information

Short-term toxicity to aquatic invertebrates

Administrative data

Endpoint:
short-term toxicity to aquatic invertebrates
Type of information:
experimental study
Adequacy of study:
key study
Study period:
1996
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study without detailed documentation

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1996

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method C.2 (Acute Toxicity for Daphnia)
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
N,N'-bis{6-chloro-4-[6-(4-vinylsulfonylphenylazo)-2,7-disulfonicacid 5-hydroxy-napht-4-ylamino]-1,3,5-triazin-2-yl}-N-(2-hydroxyethyl)-ethane-1,2-diamine, sodium salt
EC Number:
419-500-9
EC Name:
N,N'-bis{6-chloro-4-[6-(4-vinylsulfonylphenylazo)-2,7-disulfonicacid 5-hydroxy-napht-4-ylamino]-1,3,5-triazin-2-yl}-N-(2-hydroxyethyl)-ethane-1,2-diamine, sodium salt
Cas Number:
171599-85-2
Molecular formula:
C46H38Cl2N14O19S6
IUPAC Name:
tetrasodium 5-[(4-chloro-6-{[2-({4-chloro-6-[(7-{2-[4-(ethenesulfonyl)phenyl]diazen-1-yl}-8-hydroxy-3,6-disulfonatonaphthalen-1-yl)amino]-1,3,5-triazin-2-yl}(2-hydroxyethyl)amino)ethyl]amino}-1,3,5-triazin-2-yl)amino]-3-{2-[4-(ethenesulfonyl)phenyl]diazen-1-yl}-4-hydroxynaphthalene-2,7-disulfonate
Test material form:
solid: particulate/powder

Test solutions

Details on test solutions:
Identity and concentration of auxiliary solvent for dispersal: - None

Test organisms

Test organisms (species):
Daphnia magna

Study design

Test type:
not specified

Test conditions

Hardness:
250 mg CaCO3/L

Results and discussion

Effect concentrationsopen allclose all
Duration:
24 h
Dose descriptor:
EC50
Effect conc.:
> 100 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
not specified
Duration:
48 h
Dose descriptor:
EC50
Effect conc.:
> 100 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
not specified
Duration:
48 h
Dose descriptor:
EC100
Effect conc.:
> 100 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
not specified
Duration:
48 h
Dose descriptor:
NOEC
Effect conc.:
21 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
not specified
Details on results:
% Concentration loss over test: 95 ... 100

Applicant's summary and conclusion

Validity criteria fulfilled:
yes