Registration Dossier
Registration Dossier
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EC number: - | CAS number: -
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- (Q)SAR
- Adequacy of study:
- weight of evidence
- Reliability:
- 2 (reliable with restrictions)
Data source
Reference
- Reference Type:
- other: QSAR report
- Title:
- Unnamed
- Year:
- 2 022
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 302 C (Inherent Biodegradability: Modified MITI Test (II))
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 F (Ready Biodegradability: Manometric Respirometry Test)
- Deviations:
- no
- GLP compliance:
- not specified
Test material
- Reference substance name:
- tributyl(ethyl)phosphonium 4-methylbenzenesulfonate
- Cas Number:
- 119520-10-4
- Molecular formula:
- C21H39O3PS
- IUPAC Name:
- tributyl(ethyl)phosphonium 4-methylbenzenesulfonate
Constituent 1
Results and discussion
% Degradation
- Key result
- Parameter:
- % degradation (O2 consumption)
- Value:
- 29.5
- Sampling time:
- 28 d
- Remarks on result:
- not readily biodegradable based on QSAR/QSPR prediction
Applicant's summary and conclusion
- Validity criteria fulfilled:
- not specified
- Interpretation of results:
- not readily biodegradable
- Conclusions:
- Based on RB-QSAR estimation, the substance is not ready biodegradability.
- Executive summary:
Predicted endpoint: % degradation (O2 consumption); No effect specified; No species specified; 7÷28 d;
OECD Guideline 301 F (Ready Biodegradability: Manometric Respirometry Test), OECD Guideline 302 C
(Inherent Biodegradability: Modified MITI Test (II))
Predicted value: 29.5 (from -86.5 to 145)
Unit/scale: %
Data gap filling method: Read-across analysis
Summary: manually editable field
Not provided by the user
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