Registration Dossier
Registration Dossier
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3-{5-[3-(4-{1-[3-(dimethylammonio)propyl]-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-3-pyridylazo}benzamido)phenylazo]-1,2-dihydro-6-hydroxy-4-methyl-2-oxo-1-pyridyl}propyl(dimethyl)ammonium di(acetate); 3-{5-[4-(3-{1,6-dihydro-2-hydroxy-4-methyl-1-[3-(methylammonio)propyl]-6-oxo-3-pyridylazo}benzamido]phenylazo]-1,2-dihydro-6-hydroxy-4-methyl-2-oxo-1-pyridyl}propyl(dimethyl)ammonium di(acetate); reaction mass of: 3-{5-[3-(4-{1,6-dihydro-2-hydroxy-4-methyl-1-[3-(methylammonio)propyl]-6-oxo-3-pyridylazo}benzamido)phenylazo]-1,2-dihydro-6-hydroxy-4-methyl-2-oxo-1-pyridyl}propyl(methyl)ammonium di(acetate)
EC number: 431-440-5 | 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
- Study period:
- 1999
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 999
- Report date:
- 1999
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 F (Ready Biodegradability: Manometric Respirometry Test)
- GLP compliance:
- yes
Test material
- Reference substance name:
- -
- EC Number:
- 431-440-5
- EC Name:
- -
- IUPAC Name:
- (3-{5-[(E)-2-(3-{4-[(E)-2-{1-[3-(dimethylazaniumyl)propyl]-2-hydroxy-4-methyl-6-oxo-1,6-dihydropyridin-3-yl}diazen-1-yl]benzamido}phenyl)diazen-1-yl]-6-hydroxy-4-methyl-2-oxo-1,2-dihydropyridin-1-yl}propyl)dimethylazanium (3-{6-hydroxy-5-[(E)-2-(3-{4-[(E)-2-{2-hydroxy-4-methyl-1-[3-(methylazaniumyl)propyl]-6-oxo-1,6-dihydropyridin-3-yl}diazen-1-yl]benzamido}phenyl)diazen-1-yl]-4-methyl-2-oxo-1,2-dihydropyridin-1-yl}propyl)(methyl)azanium (3-{6-hydroxy-5-[(E)-2-(4-{3-[(E)-2-{2-hydroxy-4-methyl-1-[3-(methylazaniumyl)propyl]-6-oxo-1,6-dihydropyridin-3-yl}diazen-1-yl]benzamido}phenyl)diazen-1-yl]-4-methyl-2-oxo-1,2-dihydropyridin-1-yl}propyl)dimethylazanium hexaacetate
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge, domestic (adaptation not specified)
- Duration of test (contact time):
- ca. 28 d
Initial test substance concentration
- Initial conc.:
- 100 mg/L
- Based on:
- test mat.
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- O2 consumption
Reference substance
- Reference substance:
- benzoic acid, sodium salt
Results and discussion
% Degradationopen allclose all
- Parameter:
- % degradation (O2 consumption)
- Value:
- 5.5
- Sampling time:
- 7 d
- Parameter:
- % degradation (O2 consumption)
- Value:
- 6.5
- Sampling time:
- 21 d
- Parameter:
- % degradation (O2 consumption)
- Value:
- 7.5
- Sampling time:
- 27 d
- Parameter:
- % degradation (O2 consumption)
- Value:
- 8
- Sampling time:
- 28 d
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- under test conditions no biodegradation observed
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