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:
- 2 (reliable with restrictions)
Data source
Reference
- Reference Type:
- other: Body responsible for the test
- Title:
- Unnamed
- Year:
- 1 992
- Report date:
- 1992
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: OECD 301 D (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
- Molecular formula:
- C25H49NO2; C27H53NO2
- IUPAC Name:
- Reaction mass of 2,2,6,6-tetramethylpiperidin-4-yl hexadecanoate and 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
- Details on results:
- Points of degradation plot (Test substance)
20.5 % degradation after 5d
23.9 % degradation after 14d
41 % degradation after 21d
37.5 % degradation after 28d
BOD5 / COD results
- Results with reference substance:
- Points of degradation plot (referance substance)
56.9 % degradation after 5d
77.8 % degradation after 14d
83.8 % degradation after 21d
86.8 % degradation after 28d
Any other information on results incl. tables
Comments:
Dispersion of the substance with ultra sone.
Applicant's summary and conclusion
- Interpretation of results:
- other: not readily biodegadable
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