Registration Dossier
Registration Dossier
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EC number: 424-620-1 | CAS number: 13909-63-2 TUPH
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 dossier approved by MSCA
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: Directive 92/69/EEC, C.3
- GLP compliance:
- yes
Test material
- Reference substance name:
- 1-phenyl-3-(p-toluenesulfonyl)urea
- EC Number:
- 424-620-1
- EC Name:
- 1-phenyl-3-(p-toluenesulfonyl)urea
- Cas Number:
- 13909-63-2
- Molecular formula:
- C14H14N2O3S
- IUPAC Name:
- 3-(4-methylbenzenesulfonyl)-1-phenylurea
Constituent 1
Test solutions
- Details on test solutions:
- Identity and concentration of auxiliary solvent for dispersal:
The substance was tested as direct dispersion in culture medium.
Test organisms
- Test organisms (species):
- Desmodesmus subspicatus (previous name: Scenedesmus subspicatus)
Study design
- Test type:
- not specified
- Limit test:
- yes
- Total exposure duration:
- 72 h
Test conditions
- Hardness:
- Water hardness was not measured.
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 72 h
- Dose descriptor:
- EC50
- Effect conc.:
- > 100 mg/L
- Nominal / measured:
- nominal
- Basis for effect:
- biomass
- Duration:
- 72 h
- Dose descriptor:
- NOEC
- Effect conc.:
- >= 100 mg/L
- Nominal / measured:
- nominal
- Basis for effect:
- growth rate
- Duration:
- 72 h
- Dose descriptor:
- NOEC
- Effect conc.:
- >= 100 mg/L
- Nominal / measured:
- nominal
- Basis for effect:
- biomass
- Details on results:
- %Concentralion loss over test: ... 0
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.
