Registration Dossier
Registration Dossier
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EC number: 406-750-9 | CAS number: 129757-67-1 TINUVIN 123
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- n.a.
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Test conducted according to OECD 301B and GLP.
Data source
Reference
- Reference Type:
- other: Body responsible for the test
- Title:
- Unnamed
- Year:
- 1 991
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 B (Ready Biodegradability: CO2 Evolution Test)
- Deviations:
- not specified
- GLP compliance:
- yes
Test material
- Reference substance name:
- Reaction mass of bis[2,2,6,6-tetramethyl-1- (octyloxy)piperidin-4-yl] decanedioate and 1,1'-bis[2,2,6,6-tetramethyl-1- (octyloxy)piperidin-4-yl] 10,10'-{octane-1,8-diylbis[oxy(2,2,6,6- tetramethylpiperidine-1,4-diyl)]} didecanedioate
- IUPAC Name:
- Reaction mass of bis[2,2,6,6-tetramethyl-1- (octyloxy)piperidin-4-yl] decanedioate and 1,1'-bis[2,2,6,6-tetramethyl-1- (octyloxy)piperidin-4-yl] 10,10'-{octane-1,8-diylbis[oxy(2,2,6,6- tetramethylpiperidine-1,4-diyl)]} didecanedioate
- 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:
- Constituent 1: C44H84N2O6 Constituent 2 : C80H150N4O12
- IUPAC Name:
- 2,2,6,6-tetramethyl-1-(octyloxy)piperidin-4-yl 2,2,6,6-tetramethyl-1-{[8-({2,2,6,6-tetramethyl-4-[(10-oxo-10-{[2,2,6,6-tetramethyl-1-(octyloxy)piperidin-4-yl]oxy}decanoyl)oxy]piperidin-1-yl}oxy)octyl]oxy}piperidin-4-yl decanedioate; 2,2,6,6-tetramethyl-1-(octyloxy)piperidin-4-yl 2,2,6,6-tetramethyl-4-{[8-({2,2,6,6-tetramethyl-1-[(10-oxo-10-{[2,2,6,6-tetramethyl-1-(octyloxy)piperidin-4-yl]oxy}decanoyl)oxy]piperidin-4-yl}oxy)octyl]oxy}piperidin-1-yl decanedioate; bis[2,2,6,6-tetramethyl-1-(octyloxy)piperidin-4-yl] decanedioate
- Reference substance name:
- Reaction mass of bis[2,2,6,6-tetramethyl-1- (octyloxy)piperidin-4-yl] decanedioate and 1,1'-bis[2,2,6,6-tetramethyl-1- (octyloxy)piperidin-4-yl] 10,10'-{octane-1,8-diylbis[oxy(2,2,6,6- tetramethylpiperidine-1,4-diyl)]} didecanedioate
- IUPAC Name:
- Reaction mass of bis[2,2,6,6-tetramethyl-1- (octyloxy)piperidin-4-yl] decanedioate and 1,1'-bis[2,2,6,6-tetramethyl-1- (octyloxy)piperidin-4-yl] 10,10'-{octane-1,8-diylbis[oxy(2,2,6,6- tetramethylpiperidine-1,4-diyl)]} didecanedioate
Constituent 1
Constituent 2
Constituent 3
Study design
Reference substance
- Reference substance:
- other: Anilin
Results and discussion
% Degradation
- Parameter:
- not specified
- Value:
- 19
- Sampling time:
- 28 d
- Details on results:
- Points of degradation plot (test substance):
2 % degradation after 3 d
4 % degradation after 7 d
6 % degradation after 10 d
11 % degradation after 17 d
14 % degradation after 20 d
18 % degradation after 24 d
20 % degradation after 27 d
19 % degradation after 28 d
BOD5 / COD results
- Results with reference substance:
- Point of degradation plot (reference substance)
4 % degradation after 3 d
59 % degradation after 7 d
71 % degradation after 10 d
82 % degradation after 17 d
89 % degradation after 20 d
91 % degradation after 24 d
92 % degradation after 27 d
92 % degradation after 28 d
Applicant's summary and conclusion
- Interpretation of results:
- other: not readily biodegradable
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