Registration Dossier
Registration Dossier
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EC number: 420-960-8 | CAS number: 77214-82-5 JOF 2822 5F; JOF 2822 5FL; JOF 4443
Toxicity to aquatic algae and cyanobacteria
Administrative data
- Endpoint:
- toxicity to aquatic algae and cyanobacteria
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
Data source
Reference
- Reference Type:
- other: Body responsible for the test
- Title:
- Unnamed
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- EU Method C.3 (Algal Inhibition test)
- GLP compliance:
- yes
Test material
- Reference substance name:
- Iron (III) tris(4-methylbenzenesulfonate)
- EC Number:
- 420-960-8
- EC Name:
- Iron (III) tris(4-methylbenzenesulfonate)
- Cas Number:
- 77214-82-5
- Molecular formula:
- C21 H21 Fe O9 S3
- IUPAC Name:
- iron(3+) tris(4-methylbenzene-1-sulfonate)
- Test material form:
- solid: pellets
Constituent 1
Test organisms
- Test organisms (species):
- Desmodesmus subspicatus (previous name: Scenedesmus subspicatus)
Study design
- Test type:
- static
- Water media type:
- freshwater
- Limit test:
- yes
- Total exposure duration:
- 72 h
Test conditions
- Hardness:
- Standardized culture medium
- Nominal and measured concentrations:
- Concentration loss over test: 17 %
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 72 h
- Dose descriptor:
- NOEC
- Effect conc.:
- >= 92 mg/L
- Nominal / measured:
- meas. (not specified)
- Conc. based on:
- test mat.
- Basis for effect:
- growth rate
- Duration:
- 72 h
- Dose descriptor:
- NOEC
- Effect conc.:
- >= 92 mg/L
- Nominal / measured:
- meas. (not specified)
- Conc. based on:
- test mat.
- Basis for effect:
- biomass
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
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