Registration Dossier
Registration Dossier
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EC number: 402-730-9 | CAS number: 54914-85-1 KS-232
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:
- guideline study without detailed documentation
Data source
Reference
- Reference Type:
- other: reference to SNIF-file
- Title:
- Unnamed
- Year:
- 1 988
- Report date:
- 1988
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 201 (Alga, Growth Inhibition Test)
- Version / remarks:
- 1984; conditions of incubation according to ISO-guideline 8692 (3) (1989)
- Deviations:
- not specified
- GLP compliance:
- yes
Test material
- Reference substance name:
- 1,2-bis(3-methylphenoxy)ethane
- EC Number:
- 402-730-9
- EC Name:
- 1,2-bis(3-methylphenoxy)ethane
- Cas Number:
- 54914-85-1
- Molecular formula:
- C16H18O2
- IUPAC Name:
- 1-methyl-3-[2-(3-methylphenoxy)ethoxy]benzene
- Test material form:
- solid
Constituent 1
Test solutions
- Vehicle:
- yes
- Remarks:
- DMSO
- Details on test solutions:
- Identity and concentration of auxiliary solvent for dispersal: DMSO 10 ml/l algae-medium (Milli-Q filtered water).
Test organisms
- Test organisms (species):
- Raphidocelis subcapitata (previous names: Pseudokirchneriella subcapitata, Selenastrum capricornutum)
Study design
- Water media type:
- not specified
- Limit test:
- no
- Total exposure duration:
- 96 h
Test conditions
- Hardness:
- 25 mg CaCO3/L
Results and discussion
Effect concentrationsopen allclose all
- Key result
- Duration:
- 72 h
- Dose descriptor:
- NOEC
- Effect conc.:
- 0.03 mg/L
- Basis for effect:
- growth rate
- Key result
- Duration:
- 72 h
- Dose descriptor:
- NOEC
- Effect conc.:
- 0.03 mg/L
- Basis for effect:
- biomass
Applicant's summary and conclusion
- Conclusions:
- The toxicity of the substance towards pseudokirchneriella subcapitata was investigated in a study according to OECD 201. A 72 h NOEC of 0.03 mg/L was determined.
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