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EC number: 406-750-9 | CAS number: 129757-67-1 TINUVIN 123
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: Guideline study, GLP compliance
Data source
Reference
- Reference Type:
- other: study summaries submitted to ECHA more than 12 years ago
- Title:
- Unnamed
- Year:
- 2 011
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: 92f69/EWG, C.3
- GLP compliance:
- yes
Test material
- Reference substance name:
- A mixture of: bis(2,2,6,6-tetramethyl-1-octyloxypiperidin-4-yl)-1,10-decanedioate; 1,8-bis[(2,2,6,6-tetramethyl-4-((2,2,6,6-tetramethyl-1-octyloxypiperidin-4-yl)-decan-1,10-dioyl)piperidin-1-yl)oxy]octane
- EC Number:
- 406-750-9
- EC Name:
- A mixture of: bis(2,2,6,6-tetramethyl-1-octyloxypiperidin-4-yl)-1,10-decanedioate; 1,8-bis[(2,2,6,6-tetramethyl-4-((2,2,6,6-tetramethyl-1-octyloxypiperidin-4-yl)-decan-1,10-dioyl)piperidin-1-yl)oxy]octane
- Cas Number:
- 129757-67-1
- Molecular formula:
- not application-multi-constituent substance
- IUPAC Name:
- Reaction mass of bis(2,2,6,6-tetramethyl-1-octyloxypiperidin-4-yl)-1,10-decanedioate and 1,8-bis[(2,2,6,6-tetramethyl-4-((2,2,6,6-tetramethyl-1-octyloxypiperidin-4-yl)-decan-1,10-dioyl)piperidin-1-yl)oxy]octane
Constituent 1
Test solutions
- Details on test solutions:
- Identity and concentration of auxiliary solventfor dispersal: 1% vtv of Tween 80 - acetone
Test organisms
- Test organisms (species):
- Desmodesmus subspicatus (previous name: Scenedesmus subspicatus)
Study design
- Limit test:
- yes
- Total exposure duration:
- 72 h
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 72 h
- Dose descriptor:
- EC50
- Effect conc.:
- > 2 mg/L
- Basis for effect:
- biomass
- Duration:
- 72 h
- Dose descriptor:
- EC50
- Effect conc.:
- < 2 mg/L
- Basis for effect:
- growth rate
- Duration:
- 72 h
- Dose descriptor:
- NOEC
- Effect conc.:
- > 2 mg/L
- Basis for effect:
- growth rate
- Duration:
- 72 h
- Dose descriptor:
- NOEC
- Effect conc.:
- > 2 mg/L
- Basis for effect:
- biomass
- Details on results:
- %Concentration loss overtest: 13 ... 17
Applicant's summary and conclusion
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