Registration Dossier
Registration Dossier
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EC number: 406-030-4 | CAS number: 105812-81-5
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 4 (not assignable)
Data source
Reference
- Reference Type:
- other: extracted from ECHA database
- Title:
- Unnamed
- Year:
- 1 991
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- EU Method C.4-E (Determination of the "Ready" Biodegradability - Closed Bottle Test)
- GLP compliance:
- yes
Test material
- Reference substance name:
- (-)-trans-4-(4'-fluorophenyl)-3-hydroxymethyl-N-methylpiperidine
- EC Number:
- 406-030-4
- EC Name:
- (-)-trans-4-(4'-fluorophenyl)-3-hydroxymethyl-N-methylpiperidine
- Cas Number:
- 105812-81-5
- Molecular formula:
- C13H18FNO
- IUPAC Name:
- (-)-trans-4-(4'-fluorophenyl)-3-hydroxymethyl-N-methylpiperidine
Constituent 1
Study design
- Oxygen conditions:
- not specified
- Inoculum or test system:
- not specified
- Duration of test (contact time):
- 28 d
Reference substance
- Reference substance:
- benzoic acid, sodium salt
Results and discussion
% Degradationopen allclose all
- Parameter:
- not specified
- Value:
- 43
- Sampling time:
- 28 d
- Parameter:
- not specified
- Value:
- 13
- Sampling time:
- 15 d
- Parameter:
- not specified
- Value:
- 12
- Sampling time:
- 5 d
BOD5 / COD results
- Results with reference substance:
- 96% after 5 d
99% after 15 d
100 % after 28 d
Applicant's summary and conclusion
- Interpretation of results:
- not inherently biodegradable
- Conclusions:
- As 43% biodegradation was observed at 28 days, the substance is not considered to be readily biodegradable and it cannot be considered as unduly toxic to activated sludge micro-organism.
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