Registration Dossier
Registration Dossier
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EC number: 415-430-8 | CAS number: 86403-32-9 CYASORB UV-3853 LIGHT STABILIZER; DASTIB 845; SANDUVOR 845
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- other: Body responsible for the test
- Title:
- Unnamed
- Year:
- 1 992
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 D (Ready Biodegradability: Closed Bottle Test)
- GLP compliance:
- yes
Test material
- Reference substance name:
- A mixture of: 2,2,6,6-tetramethylpiperidin-4-yl-hexadecanoate; 2,2,6,6-tetramethylpiperidin-4-yl-octadecanoate
- EC Number:
- 415-430-8
- EC Name:
- A mixture of: 2,2,6,6-tetramethylpiperidin-4-yl-hexadecanoate; 2,2,6,6-tetramethylpiperidin-4-yl-octadecanoate
- Cas Number:
- 86403-32-9
- IUPAC Name:
- 2,2,6,6-tetramethylpiperidin-4-yl hexadecanoate; 2,2,6,6-tetramethylpiperidin-4-yl octadecanoate
Constituent 1
Study design
Reference substance
- Reference substance:
- other: Sodium benzoate
Results and discussion
% Degradation
- Value:
- 37.5
- Sampling time:
- 28 d
- Remarks on result:
- other: Parameter is unknown
- Details on results:
- Points of degradation plot (test substance):
20.5% degradation after 5 d
23.9% degradation after 14 d
41% degradation after 21 d
37.5% degradation after 28 d
BOD5 / COD results
- Results with reference substance:
- Points of degradation plot (reference substance):
56.9% degradation after 5 d
77.8% degradation after 14 d
83.8% degradation after 21 d
86.8% degradation after 28 d
Applicant's summary and conclusion
- Interpretation of results:
- other: not readily biodegradable
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