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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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