Registration Dossier
Registration Dossier
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EC number: 222-775-6 | CAS number: 3609-96-9
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- calculation (if not (Q)SAR)
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- accepted calculation method
- Justification for type of information:
- Calculation was performed with EPI Suite BIOWIN v4.10.
- Qualifier:
- no guideline required
- Version / remarks:
- Calculation with EPI Suite BIOWIN v4.10
- Principles of method if other than guideline:
- Calculation was performed with an accepted calculation method (EPI Suite BIOWIN v4.10).
- Key result
- Parameter:
- probability of ready biodegradability (QSAR/QSPR)
- Value:
- 0.69
- Remarks on result:
- readily biodegradable based on QSAR/QSPR prediction
- Remarks:
- Biowin1
- Key result
- Parameter:
- probability of ready biodegradability (QSAR/QSPR)
- Value:
- 0.619
- Remarks on result:
- readily biodegradable based on QSAR/QSPR prediction
- Remarks:
- Biowin2
- Key result
- Parameter:
- probability of ready biodegradability (QSAR/QSPR)
- Value:
- 3.656
- Remarks on result:
- readily biodegradable based on QSAR/QSPR prediction
- Remarks:
- Biowin3, days-weeks
- Key result
- Parameter:
- probability of ready biodegradability (QSAR/QSPR)
- Value:
- 4.574
- Remarks on result:
- readily biodegradable based on QSAR/QSPR prediction
- Remarks:
- Biowin4, hours-days
- Key result
- Parameter:
- probability of ready biodegradability (QSAR/QSPR)
- Value:
- 0.851
- Remarks on result:
- readily biodegradable based on QSAR/QSPR prediction
- Remarks:
- Biowin5
- Key result
- Parameter:
- probability of ready biodegradability (QSAR/QSPR)
- Value:
- 0.838
- Remarks on result:
- readily biodegradable based on QSAR/QSPR prediction
- Remarks:
- Biowin6
- Key result
- Parameter:
- probability of ready biodegradability (QSAR/QSPR)
- Value:
- 1.114
- Remarks on result:
- readily biodegradable based on QSAR/QSPR prediction
- Remarks:
- Biowin7
- Interpretation of results:
- readily biodegradable
- Conclusions:
- Based on the calculation, the test substance can be stated as readily biodegradable.
Reference
Results of the calculation:
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.6902
Biowin2 (Non-Linear Model) : 0.6193
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 3.6563 (days-weeks )
Biowin4 (Primary Survey Model) : 4.5738 (hours-days )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.8505
Biowin6 (MITI Non-Linear Model): 0.8377
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 1.1142
Ready Biodegradability Prediction: YES
Description of key information
Based on the calculation for dipotassium hydrogen citrate and several test methods for citric acid, the test substance can be stated as readily biodegradable.
Key value for chemical safety assessment
- Biodegradation in water:
- readily biodegradable
Additional information
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