Registration Dossier
Registration Dossier
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EC number: 240-702-6 | CAS number: 16652-76-9
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:
- 20.12.1995 - 23.1.1996
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: GLP guideline
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 996
- Report date:
- 1996
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 A (Ready Biodegradability: DOC Die Away Test)
- GLP compliance:
- yes (incl. QA statement)
Test material
- Reference substance name:
- O-benzyl-L-valine toluene-p-sulphonate
- EC Number:
- 240-702-6
- EC Name:
- O-benzyl-L-valine toluene-p-sulphonate
- Cas Number:
- 16652-76-9
- Molecular formula:
- C12H17NO2.C7H8O3S
- IUPAC Name:
- O-benzyl-L-valine toluene-p-sulphonate
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- sewage, domestic, non-adapted
- Duration of test (contact time):
- 14 d
Initial test substance concentration
- Initial conc.:
- 40 mg/L
- Based on:
- DOC
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- DOC removal
Reference substance
- Reference substance:
- other: D(+)-glucose anhydrid
Results and discussion
% Degradation
- Parameter:
- % degradation (DOC removal)
- Value:
- 97
- Sampling time:
- 14 d
- Details on results:
- From the results of the inhibition control not any inhibition phenomena could be found and from the results of the abiotic control not any abiotic degradation could be observed.
Degredation kinetic:
Day 1: 22%
Day2: 54%
Day3: 70%
Day7: 97%
BOD5 / COD results
- Results with reference substance:
- Degradition of 96% after 14 days
Applicant's summary and conclusion
- Interpretation of results:
- readily biodegradable
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