Registration Dossier
Registration Dossier
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EC number: 454-450-1 | CAS number: 429659-01-8 BIBR 1048 MANAMIDE
Toxicity to microorganisms
Administrative data
- Endpoint:
- activated sludge respiration inhibition testing
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- November 2004
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 005
- Report date:
- 2005
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 209 (Activated Sludge, Respiration Inhibition Test
- GLP compliance:
- yes (incl. QA statement)
Test material
- Reference substance name:
- Ethyl 3-((1-(4-methylamino-3-nitrophenyl)methanoyl)pyridin-2-yl-amino)propionate
- EC Number:
- 454-450-1
- EC Name:
- Ethyl 3-((1-(4-methylamino-3-nitrophenyl)methanoyl)pyridin-2-yl-amino)propionate
- Cas Number:
- 429659-01-8
- Molecular formula:
- C18 H20 N4 O5
- IUPAC Name:
- ethyl 3-{1-[4-(methylamino)-3-nitrophenyl]-N-(pyridin-2-yl)formamido}propanoate
- Test material form:
- solid: particulate/powder
Constituent 1
Sampling and analysis
- Analytical monitoring:
- no
Test solutions
- Vehicle:
- no
Test organisms
- Test organisms (species):
- activated sludge of a predominantly domestic sewage
Study design
- Test type:
- not specified
- Water media type:
- freshwater
- Limit test:
- yes
- Total exposure duration:
- 3 h
Test conditions
- Reference substance (positive control):
- yes
- Remarks:
- with 3,5-dichlorophenol
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 3 h
- Dose descriptor:
- NOEC
- Effect conc.:
- 1 000 mg/L
- Nominal / measured:
- nominal
- Basis for effect:
- other: oxygen consumption
- Duration:
- 3 h
- Dose descriptor:
- EC50
- Effect conc.:
- > 1 000 mg/L
- Nominal / measured:
- nominal
- Basis for effect:
- other: oxygen consumption
Applicant's summary and conclusion
- Validity criteria fulfilled:
- not specified
- Conclusions:
- The 3-hour NOEC of BIBR 1048 Manamide to activated sludge microorganisms was at the limit of water solubility of BIBR 1048 Manamide under the test conditions, or at 1000 mg/l. The 3-hour EC50 was clearly higher than the limit of water solubility of BIBR 1048 Manamide under the test conditions, or higher than 1000 mg/l.
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