Registration Dossier
Registration Dossier
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EC number: 406-940-1 | CAS number: 126019-82-7 DP 211
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)
Data source
Reference
- Reference Type:
- other: Body responsible for the test
- Title:
- Unnamed
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: OECD 301B (1981)
- GLP compliance:
- yes
Test material
- Reference substance name:
- O,O,O-tris(2(or 4)-C9-10-isoalkylphenyl) phosphorothioate
- EC Number:
- 406-940-1
- EC Name:
- O,O,O-tris(2(or 4)-C9-10-isoalkylphenyl) phosphorothioate
- Cas Number:
- 126019-82-7
- Molecular formula:
- C45 H69 O3 P S
- IUPAC Name:
- O-2-(2-methylnonyl)phenyl O-4-(2-methylnonyl)phenyl O-2-(2-methyloctyl)phenyl phosphorothioate
Constituent 1
Study design
- Duration of test (contact time):
- 28 d
Initial test substance concentration
- Initial conc.:
- 20.5 mg/L
Reference substance
- Reference substance:
- aniline
Results and discussion
% Degradationopen allclose all
- Parameter:
- % degradation (CO2 evolution)
- Value:
- 0
- Sampling time:
- 7 d
- Parameter:
- % degradation (CO2 evolution)
- Value:
- 1
- Sampling time:
- 20 d
- Parameter:
- % degradation (CO2 evolution)
- Value:
- 2
- Sampling time:
- 28 d
BOD5 / COD results
- Results with reference substance:
- 65 % degradation after 10 d
80 % degradation after 20 d
92 % degradation after 28 d
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- under test conditions no biodegradation observed
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