Registration Dossier
Registration Dossier
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EC number: 423-300-7 | CAS number: 128554-52-9
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:
- other: data from ELINCS notification
Data source
Reference
- Reference Type:
- other: Body responsible for the test
- Title:
- Unnamed
- Year:
- 1 997
- Report date:
- 1997
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: EEC Directive 92/69, C.3
- GLP compliance:
- yes
Test material
- Reference substance name:
- -
- EC Number:
- 423-300-7
- EC Name:
- -
- Cas Number:
- 128554-52-9
- Molecular formula:
- Not available
- IUPAC Name:
- Reaction products of 12-hydroxyoctadecanoic acid and octadecanoic acid and 1,3-phenylenedimethanamine
- Test material form:
- solid
Constituent 1
Sampling and analysis
- Analytical monitoring:
- yes
Test solutions
- Details on test solutions:
- Identity and concentration of auxiliary solvent for dispersal: none
Test organisms
- Test organisms (species):
- Pseudokirchneriella subcapitata (previous names: Raphidocelis subcapitata, Selenastrum capricornutum)
Study design
- Limit test:
- no
- Total exposure duration:
- 72 h
Test conditions
- Hardness:
- 24 mg CaCO3/L
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 72 h
- Dose descriptor:
- EC50
- Effect conc.:
- ca. 71 mg/L
- Basis for effect:
- biomass
- Duration:
- 72 h
- Dose descriptor:
- EC50
- Effect conc.:
- ca. 71 mg/L
- Basis for effect:
- growth rate
- Duration:
- 72 h
- Dose descriptor:
- NOEC
- Effect conc.:
- 10 mg/L
- Basis for effect:
- growth rate
- Duration:
- 72 h
- Dose descriptor:
- NOEC
- Effect conc.:
- 10 mg/L
- Basis for effect:
- biomass
- Details on results:
- %Concentration loss over test: 65 ... 27
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.
