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Environmental fate & pathways

Biodegradation in water: screening tests

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Administrative data

Endpoint:
biodegradation in water: ready biodegradability
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: OECD method, GLP compliance

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2014

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: OECD 301B
GLP compliance:
yes

Test material

Constituent 1
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
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

Study design

Reference substance
Reference substance:
other: Anilin

Results and discussion

% Degradation
Parameter:
not specified
Remarks:
This information is not provided in the inquiry result from ECHA.
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:
Points 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