Registration Dossier
Registration Dossier
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EC number: 264-347-1 | CAS number: 63589-25-3
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:
- 1989
- Reliability:
- 4 (not assignable)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 989
- Report date:
- 1989
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 202 (Daphnia sp. Acute Immobilisation Test)
- Deviations:
- yes
- Remarks:
- EC50 after 24 hours is being reported
- GLP compliance:
- no
Test material
- Reference substance name:
- 4-diazo-3,4-dihydro-7-nitro-3-oxonaphthalene-1-sulphonic acid
- EC Number:
- 264-347-1
- EC Name:
- 4-diazo-3,4-dihydro-7-nitro-3-oxonaphthalene-1-sulphonic acid
- Cas Number:
- 63589-25-3
- Molecular formula:
- C10H5N3O6S
- IUPAC Name:
- 4-diazo-3,4-dihydro-7-nitro-3-oxonaphthalene-1-sulphonic acid
- Test material form:
- other: solid
Constituent 1
Test organisms
- Test organisms (species):
- Daphnia magna
Study design
- Test type:
- static
- Water media type:
- freshwater
- Total exposure duration:
- 24 h
- Remarks on exposure duration:
- appropriate testing time for the OCED 202 version at that time
Results and discussion
Effect concentrations
- Duration:
- 24 h
- Dose descriptor:
- EC50
- Effect conc.:
- ca. 250 mg/L
Applicant's summary and conclusion
- Validity criteria fulfilled:
- not specified
- Conclusions:
- The 24h-EC50 of the substance was 250 mg/l
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