Registration Dossier

Diss Factsheets

Administrative data

Endpoint:
short-term toxicity to fish
Type of information:
other: experimetal study on similar substance
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: The test was performed following official guideline, some details on test conditions are missing. Study meets generally accepted scientific principles,acceptable for assessment.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1994

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: ISO 7340
Deviations:
no
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Disodium 4-amino-3,6-bis[[4-[(2,4-diaminophenyl)azo]phenyl]azo]-5-hydroxynaphthalene-2,7-disulphonate
EC Number:
229-208-1
EC Name:
Disodium 4-amino-3,6-bis[[4-[(2,4-diaminophenyl)azo]phenyl]azo]-5-hydroxynaphthalene-2,7-disulphonate
Cas Number:
6428-31-5
Molecular formula:
C34H29N13O7S2.2Na
IUPAC Name:
disodium 4-amino-3,6-bis({4-[(2,4-diaminophenyl)diazenyl]phenyl}diazenyl)-5-hydroxynaphthalene-2,7-disulfonate
Test material form:
solid: particulate/powder

Sampling and analysis

Analytical monitoring:
not specified

Test solutions

Vehicle:
not specified

Test organisms

Test organisms (species):
Poecilia reticulata

Study design

Test type:
not specified
Water media type:
freshwater

Test conditions

Nominal and measured concentrations:
The stock solutions of the test substance of nominal concentration 1 g/l was prepared. The concentrations of solutions used in the basic test were obtained by dilution of the stock solution with dilution water. Dilution used for basic test : 1000 ml/l, 900 ml/l, 700 ml/l and 500 ml/l.

Results and discussion

Effect concentrations
Duration:
48 h
Dose descriptor:
LC50
Effect conc.:
> 1 000 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
mortality (fish)

Applicant's summary and conclusion

Validity criteria fulfilled:
yes
Conclusions:
The results show no toxicity on fish.
Executive summary:

The test performed on the tested items follows the ISO 7340 and shows no toxicity on the test organisms.

LC50 is > 1000 mg/l.