Registration Dossier
Registration Dossier
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EC number: 437-930-5 | CAS number: 51553-03-8
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:
- 2001
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 001
- Report date:
- 2001
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- EU Method C.4-E (Determination of the "Ready" Biodegradability - Closed Bottle Test)
- GLP compliance:
- yes
Test material
- Reference substance name:
- -
- EC Number:
- 437-930-5
- EC Name:
- -
- Cas Number:
- 51553-03-8
- Molecular formula:
- Hill formula: C22H23N7O5 CAS formula: C22H23N7O5
- IUPAC Name:
- N-{5-[bis(2-methoxyethyl)amino]-2-[2-(2,6-dicyano-4-nitrophenyl)diazen-1-yl]phenyl}acetamide
- Test material form:
- solid: particulate/powder
Constituent 1
Study design
- Inoculum or test system:
- sewage, industrial (adaptation not specified)
Reference substance
- Reference substance:
- other: Natriumacetat
Results and discussion
% Degradation
- Parameter:
- % degradation (O2 consumption)
- Value:
- 11
- Sampling time:
- 28 d
- Details on results:
- Points of degradation plot (test substance):
3.4 % degradation after 3 d
4.2 % degradation after 7 d
6.5 % degradation after 10 d
6 % degradation after 14 d
11.2 % degradation after 21 d
4.3 % degradation after 28 d
BOD5 / COD results
- Results with reference substance:
- Points of degradation plot (reference substance):
76.8 % degradation after 3 d
79.2 % degradation after 7 d
74.2 % degradation after 10 d
80.9 % degradation after 14 d
84.6 % degradation after 21 d
84.5 % degradation after 28 d
Applicant's summary and conclusion
- Interpretation of results:
- not readily biodegradable
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