Registration Dossier
Registration Dossier
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EC number: 612-381-6 | CAS number: 61789-91-1
Biodegradation in water: screening tests
Administrative data
- 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
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 018
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 B (Ready Biodegradability: CO2 Evolution Test)
- GLP compliance:
- not specified
Test material
- Reference substance name:
- no defined IUPAC name
- EC Number:
- 612-381-6
- Cas Number:
- 61789-91-1
- Molecular formula:
- no molecular structure defined
- IUPAC Name:
- no defined IUPAC name
- Test material form:
- semi-solid (amorphous): gel
- Details on test material:
- Components Floraesters 30
Wax Ester ---
36:2 <2
38:0 <1
38:1 2 - 4
38:2 2 - 4
40:0 2 - 4
40:1 14 - 18
40:2 17 - 21
42:0 2 - 4
42:1 14 - 18
42:2 17 - 21
44:0 <2
44:1 4 - 7
44:2 4 - 7
46:2 <3
Iodine Value** 57 - 61
Mono-ester content*** 40 - 47
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- other: mature activated sewage solids
- Duration of test (contact time):
- ca. 28 d
Initial test substance concentration
- Initial conc.:
- ca. 25 mg/L
- Based on:
- COD
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- CO2 evolution
Reference substance
- Reference substance:
- benzoic acid, sodium salt
Results and discussion
% Degradation
- Key result
- Parameter:
- % degradation (CO2 evolution)
- Value:
- ca. 23.98
- Sampling time:
- 28 d
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- inherently biodegradable
- Conclusions:
- Under the conditions of the 301B assay, the sample appears to meet the threshold for “inherently biodegradable” materials.
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