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EC number: 431-020-1 | CAS number: 41340-36-7
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- other: Body responsible for the test
- Title:
- Unnamed
- Year:
- 1 999
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 F (Ready Biodegradability: Manometric Respirometry Test)
- Qualifier:
- according to guideline
- Guideline:
- EU Method C.4-D (Determination of the "Ready" Biodegradability - Manometric Respirometry Test)
- GLP compliance:
- yes
Test material
- Reference substance name:
- 2-(7-ethyl-1H-indol-3-yl)ethanol
- EC Number:
- 431-020-1
- EC Name:
- 2-(7-ethyl-1H-indol-3-yl)ethanol
- Cas Number:
- 41340-36-7
- Molecular formula:
- C12H15NO
- IUPAC Name:
- 2-(7-ethyl-1H-indol-3-yl)ethan-1-ol
Constituent 1
Study design
Reference substance
- Reference substance:
- benzoic acid, sodium salt
Results and discussion
% Degradation
- Parameter:
- not specified
- Value:
- ca. 58
- Sampling time:
- 28 d
- Details on results:
- Points of degradation plot (test substance):
0 % degradation after 1 d
1 % degradation after 3 d
1 % degradation after 5 d
2 % degradation after 6 d
3 % degradation after 7 d
5 % degradation after 8 d
8.5 % degradation after 9 d
42.5 % degradation after 10 d
44 % degradation after 11 d
45.5 % degradation after 1 d
47.5 % degradation after 13 d
48.5 % degradation after 14 d
51 % degradation after 16 d
54 % degradation after 19 d
54.5 % degradation after 20 d
55 % degradation after 21 d
55.5 % degradation after 22 d
56 % degradation after 23 d
56 % degradation after 24 d
56.5 % degradation after 25 d
57 % degradation after 26 d
57 % degradation after 27 d
57.5 % degradation after 28 d
BOD5 / COD results
- Results with reference substance:
- Points of degradation plot (reference substance):
7.5 % degradation after 1 d
51 % degradation after 2 d
60.5 % degradation after 3 d
71 % degradation after 5 d
74 % degradation after 6 d
75.5 % degradation after 7 d
77 % degradation after 8 d
78 % degradation after 9 d
78.5 % degradation after 10 d
80 % degradation after 11 d
80.5 % degradation after 12 d
81.5 % degradation after 13 d
82 % degradation after 14 d
82.5 % degradation after 16 d
84 % degradation after 19 d
85 % degradation after 20 d
85 % degradation after 21 d
85.5 % degradation after 22 d
86.5 % degradation after 23 d
87 % degradation after 24 d
87 % degradation after 25 d
88 % degradation after 26 d
88.5 % degradation after 27 d
88.5 % degradation after 28 d
Applicant's summary and conclusion
- Interpretation of results:
- not inherently biodegradable
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