Registration Dossier
Registration Dossier
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EC number: 201-550-6 | CAS number: 84-66-2
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
- Study period:
- 1997
- Reliability:
- 2 (reliable with restrictions)
Data source
Reference
- Reference Type:
- review article or handbook
- Title:
- Aquatic toxicity of eighteen phthalate esters
- Author:
- Staples CA
- Year:
- 1 997
- Bibliographic source:
- Environmental Toxicology and Chemistry, Vol. 16, No. 5, pp. 875–891
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: EPA-600/3-83-095 (Toxicity and metabolism studies with EPA priority pollutants and related chemicals in freshwater organisms)
- GLP compliance:
- not specified
Test material
- Reference substance name:
- Diethyl phthalate
- EC Number:
- 201-550-6
- EC Name:
- Diethyl phthalate
- Cas Number:
- 84-66-2
- Molecular formula:
- C12H14O4
- IUPAC Name:
- diethyl phthalate
- Details on test material:
- no data
Constituent 1
Sampling and analysis
- Analytical monitoring:
- not specified
Test solutions
- Vehicle:
- not specified
Test organisms
- Test organisms (species):
- Pseudokirchneriella subcapitata (previous names: Raphidocelis subcapitata, Selenastrum capricornutum)
Study design
- Test type:
- not specified
- Water media type:
- freshwater
- Total exposure duration:
- 96 h
Test conditions
- Hardness:
- no data
- Test temperature:
- no data
- pH:
- no data
- Dissolved oxygen:
- no data
- Salinity:
- no data
- Nominal and measured concentrations:
- no data
Results and discussion
Effect concentrations
- Duration:
- 96 h
- Dose descriptor:
- EC50
- Effect conc.:
- 85.6 mg/L
- Nominal / measured:
- meas. (not specified)
- Conc. based on:
- test mat.
- Basis for effect:
- cell number
- Remarks on result:
- other: 46.2 - 143 %
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Conclusions:
- The EC50 of 85.6 mg/l shows that diethyl phthalate is not classified as toxic to aquatic algae.
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