Registration Dossier
Registration Dossier
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EC number: 412-720-6 | CAS number: 156653-67-7
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 company data
- Title:
- Unnamed
- Year:
- 2 010
- Report date:
- 2010
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 B (Ready Biodegradability: CO2 Evolution Test)
- Qualifier:
- according to guideline
- Guideline:
- EU Method C.4-C (Determination of the "Ready" Biodegradability - Carbon Dioxide Evolution Test)
- Qualifier:
- according to guideline
- Guideline:
- ISO DIS 9439 (Ultimate Aerobic Biodegradability - Method by Analysis of Released Carbon Dioxide)
- GLP compliance:
- yes
Test material
- Reference substance name:
- -
- EC Number:
- 412-720-6
- EC Name:
- -
- Cas Number:
- 156653-67-7
- Molecular formula:
- C26H26ClN9O12S3.2 Na
- IUPAC Name:
- disodium 2-[2-(5-carbamoyl-1-ethyl-2-hydroxy-4-methyl-6-oxo-1,6-dihydropyridin-3-yl)diazen-1-yl]-4-{[4-chloro-6-({4-[2-(sulfonatooxy)ethanesulfonyl]phenyl}amino)-1,3,5-triazin-2-yl]amino}benzene-1-sulfonate
Constituent 1
Study design
- Inoculum or test system:
- activated sludge (adaptation not specified)
- Duration of test (contact time):
- 28 d
Reference substance
- Reference substance:
- other: Sodium acetate
Results and discussion
% Degradation
- Parameter:
- % degradation (CO2 evolution)
- Value:
- 4
- Sampling time:
- 28 d
- Details on results:
- Points of degradation plot (test substance):
0 % degradation after 3 d
2 % degradation after 6 d
2 % degradation after 8 d
3 % degradation after 10 d
3 % degradation after 13 d
3 % degradation after 17 d
3 % degradation after 22 d
3 % degradation after 27 d
4 % degradation after 29 d
BOD5 / COD results
- Results with reference substance:
- Points of degradation plot (reference substance):
17 % degradation after 3 d
44 % degradation after 6 d
56 % degradation after 8 d
62 % degradation after 10 d
66 % degradation after 13 d
Applicant's summary and conclusion
- Interpretation of results:
- other: not readily biodegradable
- Conclusions:
- Everzol SR37 was not readily biodegradable under the conditions of the modified Sturm test presently performed.
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