Registration Dossier
Registration Dossier
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EC number: 210-513-3 | CAS number: 617-45-8
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)
- Rationale for reliability incl. deficiencies:
- other: Study according to international accepted guidelines but not GLP compliant.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 012
- Report date:
- 2012
Materials and methods
Test guideline
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- ISO 8692 (Water Quality - Fresh Water Algal Growth Inhibition Test with Scenedesmus subspicatus and Selenastrum capricornutum)
- GLP compliance:
- no
Test material
- Reference substance name:
- Acid D,L-aspart
- EC Number:
- 210-513-3
- EC Name:
- Acid D,L-aspart
- Cas Number:
- 617-45-8
- Molecular formula:
- C4H7NO4
- IUPAC Name:
- aspartic acid
- Test material form:
- solid: crystalline
Constituent 1
Sampling and analysis
- Analytical monitoring:
- no
Test solutions
- Vehicle:
- no
Test organisms
- Test organisms (species):
- Pseudokirchneriella subcapitata (previous names: Raphidocelis subcapitata, Selenastrum capricornutum)
Study design
- Test type:
- static
- Water media type:
- freshwater
- Limit test:
- no
Results and discussion
Effect concentrations
- Duration:
- 72 h
- Dose descriptor:
- EC50
- Effect conc.:
- 129 mg/L
- Nominal / measured:
- meas. (geom. mean)
- Conc. based on:
- test mat.
- Basis for effect:
- growth rate
Applicant's summary and conclusion
- Conclusions:
- A 72h study on aquatic algae was performed according to ISO 8692 and a EC50 of 129 mg/L was identified based on the growth rate.
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