Registration Dossier
Registration Dossier
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EC number: 430-050-2 | CAS number: -
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:
- other: Annex V, C5. Modified Sturm Test (OECD 301B)
- GLP compliance:
- yes
- Inoculum or test system:
- not specified
- Reference substance:
- other: Anhydrous Sodium Acetate
- Parameter:
- % degradation (CO2 evolution)
- Value:
- 69.3
- Sampling time:
- 28 d
- Details on results:
- Points of degradation plot (test substance):2.2 % degradation after 2 d3.5 % degradation after 4 d5.4 % degradation after 7 d9.6 % degradation after 10 d30.4 % degradation after 14 d46.8 % degradation after 17 d59.3 % degradation after 21 d65.8 % degradation after 25 d69.3 % degradation after 28 d71.8 % degradation after 29 d
- Results with reference substance:
- Points of degradation plot (reference substance):19.4 % degradation after 2 d35.8 % degradation after 4 d50.7 % degradation after 7 d59.9 % degradation after 10 d67 % degradation after 14 d70.6 % degradation after 17 d73.4 % degradation after 21 d75.1 % degradation after 25 d76.1 % degradation after 28 d81.3 % degradation after 29 d
- Interpretation of results:
- readily biodegradable
Reference
Description of key information
According to the study report, the degradation of the substance is 69.3 % after 28 days, thus fulfilling the ready biodegradability criteria.
Key value for chemical safety assessment
- Biodegradation in water:
- readily biodegradable
Additional information
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