Registration Dossier
Registration Dossier
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EC number: 428-420-3 | CAS number: 71119-22-7 MOPS-NA
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
- Study period:
- not specified
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- other: 92/69/EWG, C.4-E (Geschl. Flasch.)
- Deviations:
- not specified
- GLP compliance:
- yes
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge, domestic, non-adapted
- Duration of test (contact time):
- 28 d
- Reference substance:
- benzoic acid, sodium salt
- Remarks on result:
- other: No further information provided in SNIF.
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- not readily biodegradable
- Conclusions:
- The test item is not readily biodegradable.
- Executive summary:
In a study according to guideline 92/69/EWG C.4-E, the toxicity control attained 80 % degradation after 28 days thereby confirming that the test material was not toxic to the sewage treatment microorganisms used in the study. The test item was found to be not readily biodegradable.
Reference
Description of key information
The test item is not readily biodegradable (reference 5.2.1-1).
Key value for chemical safety assessment
- Biodegradation in water:
- not biodegradable
- Type of water:
- freshwater
Additional information
In a study according to guideline 92/69/EWG C.4-E, the toxicity control attained 80 % degradation after 28 days thereby confirming that the test material was not toxic to the sewage treatment microorganisms used in the study. The test item was found to be not readily biodegradable.
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