Registration Dossier
Registration Dossier
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EC number: 444-000-2 | CAS number: -
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)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- other: Body responsible for the test
- Title:
- Unnamed
- Year:
- 2 002
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: OECD Guidelines for testing of Chemicals (1992) No. 301B, "Ready Biodegradability; CO2 Evolution Test" referenced as method C.4-C of Commission Directive 92/69/EEC (which constitutes Annex V of Council Directive 76/548/EEC).
- GLP compliance:
- yes
Test material
- Reference substance name:
- -
- EC Number:
- 444-000-2
- EC Name:
- -
- Cas Number:
- Not specified
- Molecular formula:
- Not applicable because it is a UVCB substance.
- IUPAC Name:
- 3-[3-(pentanoyloxy)-2,2-bis[(pentanoyloxy)methyl]propoxy]-2,2-bis[(pentanoyloxy)methyl]propyl pentanoate; 3-{3-[(3,5,5-trimethylhexanoyl)oxy]-2,2-bis({[(3,5,5-trimethylhexanoyl)oxy]methyl})propoxy}-2,2-bis({[(3,5,5-trimethylhexanoyl)oxy]methyl})propyl 3,5,5-trimethylhexanoate
Constituent 1
Study design
- Oxygen conditions:
- not specified
- Inoculum or test system:
- other: activated sewage sludge
Reference substance
- Reference substance:
- other: Sodium Benzoate
Results and discussion
% Degradation
- Key result
- Parameter:
- % degradation (CO2 evolution)
- Value:
- 14
- Sampling time:
- 28 d
- Details on results:
- Points of degradation plot (test substance):
4 % degradation after 1 d
0% degradation after 2 d
0% degradation after 3 d
14% degradation after 6 d
3% degradation after 8 d
4% degradation after 10 d
5% degradation after 14 d
6% degradation after 16 d
3% degradation after 22 d
10% degradation after 24 d
12% degradation after 27 d
14% degradation after 28 d
21% degradation after 29 d
BOD5 / COD results
- Results with reference substance:
- Points of degradation plot (reference substance):
9% degradation after 1 d
37% degradation after 2 d
54% degradation after 3 d
67% degradation after 6 d
73% degradation after 8 d
79% degradation after 10 d
80% degradation after 14 d
82% degradation after 16 d
88% degradation after 22 d
91% degradation after 24 d
96% degradation after 27 d
100% degradation after 28 d
100% degradation after 29 d
Applicant's summary and conclusion
- Interpretation of results:
- not readily biodegradable
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