Registration Dossier
Registration Dossier
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EC number: 419-690-3 | CAS number: 88020-55-7
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:
- May 24 - June 22, 1995
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 995
- Report date:
- 1995
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 B (Ready Biodegradability: CO2 Evolution Test)
- Deviations:
- not specified
- Qualifier:
- according to guideline
- Guideline:
- EU Method C.4-C (Determination of the "Ready" Biodegradability - Carbon Dioxide Evolution Test)
- Deviations:
- not specified
- GLP compliance:
- yes
Test material
- Reference substance name:
- -
- EC Number:
- 419-690-3
- EC Name:
- -
- Cas Number:
- 88020-55-7
- Molecular formula:
- [(C12H25)3NH]4Mo8O26
- IUPAC Name:
- tridodecylamine hydrate molybdenum
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge (adaptation not specified)
- Duration of test (contact time):
- 28 d
Reference substance
- Reference substance:
- other: ACETATE DE SODIUM
Results and discussion
% Degradation
- Parameter:
- % degradation (CO2 evolution)
- Value:
- 5
- Sampling time:
- 28 d
- Remarks on result:
- other: St dev : no data
- Details on results:
- Points of degradation plot (test substance):
1 % degradation after 2 d
1 % degradation after 5 d
2 % degradation after 9 d
2.5 % degradation after 14 d
5 % degradation after 29 d
BOD5 / COD results
- Results with reference substance:
- Points of degradation plot (reference substance):
0 % degradation after 2 d
19.8 % degradation after 5 d
72.9 % degradation after 9 d
92.1 % degradation after 14 d
100 % degradation after 29 d
Applicant's summary and conclusion
- Interpretation of results:
- other: not readily biodegradable
- Conclusions:
- Tested concentration = 15 mg TOC/l
The toxicity test showed an absence of inhibitor effect of this test substance.
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