Registration Dossier
Registration Dossier
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EC number: 212-338-8 | CAS number: 791-28-6
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Guideline study; Non-GLP
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 987
- Report date:
- 1987
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: Test procedures according to EU Directive 79/831/EEC Annex V, part C: Methods for the Determination of the ecotoxicity degradation - biodegradation, Manometric respirometry test. This method is comparable to the OECD guideline 301 F.
- GLP compliance:
- no
Test material
- Reference substance name:
- Triphenylphosphine oxide
- EC Number:
- 212-338-8
- EC Name:
- Triphenylphosphine oxide
- Cas Number:
- 791-28-6
- Molecular formula:
- C18H15OP
- IUPAC Name:
- triphenylphosphine oxide
- Details on test material:
- - Name of test material (as cited in study report): Triphenylphosphinoxid
- Analytical purity: not stated
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge, domestic, non-adapted
- Details on inoculum:
- - Source of inoculum/activated sludge (e.g. location, sampling depth, contamination history, procedure): Municipal activated sludge taken from a domestic wastewater treatment plant.
- Duration of test (contact time):
- 28 d
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- O2 consumption
- Details on study design:
- SAMPLING
- Sampling frequency: continuously for 28 days
CONTROL AND BLANK SYSTEM
- Inoculum blank: yes
- Abiotic sterile control: yes
- Toxicity control: yes
- Other: inhibition of the inoculum
Reference substance
- Reference substance:
- aniline
Results and discussion
% Degradation
- Parameter:
- % degradation (O2 consumption)
- Value:
- 0
- Sampling time:
- 28 d
BOD5 / COD results
- Results with reference substance:
- BOD/ThOD = > 60%
DOC = 100 %
lag-phase: 5 d
Degradation-phase. 1 d
Applicant's summary and conclusion
- Interpretation of results:
- under test conditions no biodegradation observed
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