Registration Dossier
Registration Dossier
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EC number: 250-001-7 | CAS number: 30007-47-7
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 D (Ready Biodegradability: Closed Bottle Test)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge, non-adapted
- Duration of test (contact time):
- 28 d
- Initial conc.:
- 4 mg/L
- Based on:
- ThOD
- Key result
- Parameter:
- % degradation (O2 consumption)
- Value:
- 0
- Sampling time:
- 7 d
- Details on results:
- Bronidox K can be evaluated as not readily biodegradable in the Closed Bottle Test based on the determination of the biochemical oxygen consumption in comparison to the theoretical oxygen demand of the test substance, in accordance to criteria of the OECD Test Guideline 301 D.
In addition, the test substance was found to be highly toxic to the microorganisms. - Validity criteria fulfilled:
- yes
- Interpretation of results:
- under test conditions no biodegradation observed
- Executive summary:
Bronidox K can be evaluated as not readily biodegradable in the Closed Bottle Test based on the determination of the biochemical oxygen consumption in comparison to the theoretical oxygen demand of the test substance, in accordance to criteria of the OECD Test Guideline 301 D.
In addition, the test substance was found to be highly toxic to the microorganisms.
Reference
Description of key information
Bronidox K can be evaluated as not readily biodegradable in the Closed Bottle Test based on the determination of the biochemical oxygen consumption in comparison to the theoretical oxygen demand of the test substance, in accordance to criteria of the OECD Test Guideline 301 D.
In addition, the test substance was found to be highly toxic to the microorganisms.
Key value for chemical safety assessment
- Biodegradation in water:
- under test conditions no biodegradation observed
- Type of water:
- freshwater
Additional information
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