Registration Dossier
Registration Dossier
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EC number: 412-050-4 | CAS number: 125109-85-5 FLORHYDRAL
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)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 999
- Report date:
- 1999
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 201 (Alga, Growth Inhibition Test)
- Qualifier:
- according to guideline
- Guideline:
- EU Method C.3 (Algal Inhibition test)
- GLP compliance:
- yes
Test material
- Reference substance name:
- β-methyl-3-(1-methylethyl)benzenepropanal
- EC Number:
- 412-050-4
- EC Name:
- β-methyl-3-(1-methylethyl)benzenepropanal
- Cas Number:
- 125109-85-5
- Molecular formula:
- C13H18O
- IUPAC Name:
- 3-[3-(propan-2-yl)phenyl]butanal
Constituent 1
Test organisms
- Test organisms (species):
- Desmodesmus subspicatus (previous name: Scenedesmus subspicatus)
Study design
- Test type:
- static
- Total exposure duration:
- 72 h
Test conditions
- Hardness:
- 0.24mmol/l(=24mg/l) as CaCO3
- Test temperature:
- 21-22°C
- pH:
- 8.1-8.9
- Nominal and measured concentrations:
- nominal concentrations: 0.46, 1.0, 2.2, 4.6, 10 and 22 mg/l
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 72 h
- Dose descriptor:
- EC10
- Effect conc.:
- 4.8 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- growth rate
- Remarks:
- 6.4
- Remarks on result:
- other: 95% CL
- Duration:
- 72 h
- Dose descriptor:
- EC50
- Effect conc.:
- 8.4 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- growth rate
- Remarks on result:
- other: 95% CL
- Duration:
- 72 h
- Dose descriptor:
- EC90
- Effect conc.:
- 15 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- growth rate
- Remarks on result:
- other: 95% CL
Applicant's summary and conclusion
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
