Registration Dossier
Registration Dossier
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EC number: 403-500-0 | CAS number: 159120-95-3 CYRACURE (R) PHOTOINITIATOR UVI-6974; CYRACURE PHOTOINITIATOR UVI-6976
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:
- other: Guideline study with acceptable restrictions
Data source
Reference
- Reference Type:
- other: inqurity result from ECHA
- Title:
- Unnamed
- Year:
- 2 012
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: Directive 92/69/EEC, C3
- GLP compliance:
- yes
Test material
- Reference substance name:
- A mixture of: bis[4-diphenylsulfoniumphenyl]sulfide-bishexafluoroantimonate; thiophenoxyphenylsulfonium hexafluoroantimonate
- EC Number:
- 403-500-0
- EC Name:
- A mixture of: bis[4-diphenylsulfoniumphenyl]sulfide-bishexafluoroantimonate; thiophenoxyphenylsulfonium hexafluoroantimonate
- Cas Number:
- 159120-95-3
- Molecular formula:
- not applicable-multi-constituent substance
- IUPAC Name:
- (4-{[4-(diphenylsulfaniumyl)phenyl]sulfanyl}phenyl)diphenylsulfanium; diphenyl[4-(phenylsulfanyl)phenyl]sulfanium; tris(hexafluorostibanuide)
Constituent 1
Test solutions
- Details on test solutions:
- Identity and concentration of auxiliary solvent for dispersal: None.
Test organisms
- Test organisms (species):
- Raphidocelis subcapitata (previous names: Pseudokirchneriella subcapitata, Selenastrum capricornutum)
Study design
- Limit test:
- no
- Total exposure duration:
- 72 h
Test conditions
- Hardness:
- 24 mg CaC03/L
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 72 h
- Dose descriptor:
- EC50
- Effect conc.:
- 0.023 mg/L
- Basis for effect:
- biomass
- Duration:
- 72 h
- Dose descriptor:
- EC50
- Effect conc.:
- 0.044 mg/L
- Basis for effect:
- growth rate
- Duration:
- 72 h
- Dose descriptor:
- NOEC
- Effect conc.:
- ca. 0.007 mg/L
- Basis for effect:
- growth rate
- Duration:
- 72 h
- Dose descriptor:
- NOEC
- Effect conc.:
- ca. 0.007 mg/L
- Basis for effect:
- biomass
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.
