Registration Dossier
Registration Dossier
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EC number: 205-427-8 | CAS number: 140-67-0
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:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 018
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 201 (Freshwater Alga and Cyanobacteria, Growth Inhibition Test)
- GLP compliance:
- yes (incl. QA statement)
Test material
- Reference substance name:
- 4-allylanisole
- EC Number:
- 205-427-8
- EC Name:
- 4-allylanisole
- Cas Number:
- 140-67-0
- Molecular formula:
- C10H12O
- IUPAC Name:
- 1-methoxy-4-(prop-2-en-1-yl)benzene
- Test material form:
- liquid
Constituent 1
Sampling and analysis
- Details on sampling:
- Purity:99.53%
Appearance: yellow to slight yellow clear liquid
Storage conditions: cool, dry place, protected from fire
Test organisms
- Test organisms (species):
- Raphidocelis subcapitata (previous names: Pseudokirchneriella subcapitata, Selenastrum capricornutum)
Study design
- Test type:
- not specified
- Water media type:
- other: distilled water
- Total exposure duration:
- 72 h
Test conditions
- Test temperature:
- 21±2Centigrade
- pH:
- 8.1±0.2
- Reference substance (positive control):
- yes
Results and discussion
Effect concentrations
- Key result
- Duration:
- 72 h
- Dose descriptor:
- EC50
- Effect conc.:
- 10.35 mg/L
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Conclusions:
- Under these conditions, the EC50 for the test substance “Estragole” resulted to be 10.35 mg/l.
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