Registration Dossier
Registration Dossier
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EC number: 219-372-2 | CAS number: 2425-85-6
Short-term toxicity to fish
Administrative data
- Endpoint:
- short-term toxicity to fish
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 1998
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Method very poorly described
Data source
Reference
- Reference Type:
- publication
- Title:
- Unnamed
- Year:
- 1 998
- Report date:
- 1998
Materials and methods
Test guideline
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 203 (Fish, Acute Toxicity Test)
- Deviations:
- not specified
- GLP compliance:
- yes
Test material
- Reference substance name:
- 1-(4-methyl-2-nitrophenylazo)-2-naphthol
- EC Number:
- 219-372-2
- EC Name:
- 1-(4-methyl-2-nitrophenylazo)-2-naphthol
- Cas Number:
- 2425-85-6
- Molecular formula:
- C17H13N3O3
- IUPAC Name:
- 1-(4-methyl-2-nitrophenylazo)-2-naphthol
- Test material form:
- solid: particulate/powder
- Remarks:
- migrated information: powder
- Details on test material:
- Purity: 96.6%
Temperature: 25 +/- 2 °C
Constituent 1
Test organisms
- Test organisms (species):
- Oryzias latipes
Study design
- Total exposure duration:
- 48 h
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 48 h
- Dose descriptor:
- LC50
- Effect conc.:
- > 400 mg/L
- Duration:
- 24 h
- Dose descriptor:
- LC50
- Effect conc.:
- > 400 mg/L
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Conclusions:
- The test substance has a low acute toxicity to fish (Oryzias latipes) with LC48h > 400 mg/L high above the water solubility of the test substance.
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