Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.
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Reaction mass of tetrasodium 8,8'-(1E,1'E)-(4,4'-(cyclohexane-1,1-diyl)bis(4,1-phenylene))bis(diazene-2,1-diyl)bis(7-hydroxynaphthalene-1,3-disulfonate) and trisodium 7-hydroxy-8-((E)-(4-(1-(4-((E)-(1-hydroxy-4-sulfonatonaphthalen-2-yl)diazenyl)phenyl)cyclohexyl)phenyl)diazenyl)naphthalene-1,3-disulfonate
EC number: 942-692-5 | CAS number: -
Short-term toxicity to fish
Administrative data
- Endpoint:
- short-term toxicity to fish
- Type of information:
- other: read-across from supporting substance (structural analogue or surrogate)
- Remarks:
- constituent 1
- Adequacy of study:
- weight of evidence
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- documentation insufficient for assessment
- Remarks:
- The complete Read Across Approach is attached at section 13. Source study ha reliability 4.
Data source
Reference
- Reference Type:
- other company data
- Title:
- Unnamed
- Year:
- 1 974
- Report date:
- 1974
Materials and methods
- Principles of method if other than guideline:
- Internal method: FC 2.463,1.7.1973 (N. 11)
- GLP compliance:
- no
- Remarks:
- pre GLP
Test material
- Reference substance name:
- Similar Substance 01
- IUPAC Name:
- Similar Substance 01
Constituent 1
Test organisms
- Test organisms (species):
- Leuciscus idus
Study design
- Test type:
- static
- Water media type:
- freshwater
- Limit test:
- no
- Total exposure duration:
- 48 h
Test conditions
- Test temperature:
- 12 °C
- pH:
- 8 - 8.1
- Nominal and measured concentrations:
- 2, 20 and 100 mg/l
- Details on test conditions:
- TEST SYSTEM
- No. of organismsper test concentration: 8
Results and discussion
Effect concentrations
- Duration:
- 48 h
- Dose descriptor:
- other: TL50
- Effect conc.:
- 6.3 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mortality (fish)
- Details on results:
- TL0: 2 mg/l
TL100: 20 mg/l
Any other information on results incl. tables
- Sublethal observations / clinical signs:
Concentration Survivors pH at 48 hrs 24 hrs 48 hrs 100 mg/l 0 8 2 mg/l 8 8 8.1 20 mg/l 0 8.1
Applicant's summary and conclusion
- Validity criteria fulfilled:
- not specified
- Conclusions:
- TL50 (48h): 6.3 mg/l (nominal)
- Executive summary:
Method
The substance has been tested for acute toxicity on fish according to the testing laboratory internal method 11.
Eight Leuciscus idus for each concentration were used. The concentration tested were: 2, 20 and 100 mg/l.
Results
TL50 (48h): 6.3 mg/l (nominal)
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