Registration Dossier
Registration Dossier
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EC number: 617-589-0 | CAS number: 84592-32-5
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: GLP guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 997
- Report date:
- 1997
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 A (Ready Biodegradability: DOC Die Away Test)
- GLP compliance:
- yes
Test material
- Reference substance name:
- [(5-(4-hydroxy-2,6,6-trimethyl-3-oxo-1-cyclohexen-1-yl)-3-methyl-2,4-pentadienyl](triphenyl)phosphonium bromide
- EC Number:
- 617-589-0
- Cas Number:
- 84592-32-5
- Molecular formula:
- C33 H36 O2 P .Br
- IUPAC Name:
- [(5-(4-hydroxy-2,6,6-trimethyl-3-oxo-1-cyclohexen-1-yl)-3-methyl-2,4-pentadienyl](triphenyl)phosphonium bromide
- Details on test material:
- - Name of test material (as cited in study report): Asta-C15-Salz krist.
- Lot/batch No.: 95/49-4B/Trommel 2
- Analytical purity: >= 99 %
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): activated sludge treating municipal and synthetic sewage.
- Duration of test (contact time):
- 28 d
Initial test substance concentrationopen allclose all
- Initial conc.:
- 28.4 mg/L
- Based on:
- test mat.
- Initial conc.:
- 20 mg/L
- Based on:
- DOC
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- DOC removal
Results and discussion
% Degradation
- Parameter:
- % degradation (DOC removal)
- Value:
- 0 - 10
- Sampling time:
- 28 d
Applicant's summary and conclusion
- Interpretation of results:
- other:
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