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Environmental fate & pathways

Biodegradation in water: screening tests

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Administrative data

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Reference
Endpoint:
biodegradation in water: ready biodegradability
Type of information:
(Q)SAR
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
results derived from a valid (Q)SAR model and falling into its applicability domain, with adequate and reliable documentation / justification
Justification for type of information:
Please refer to QPRF/QMRF documentation for detailed information on model suitability.
Qualifier:
according to guideline
Guideline:
other: REACH guidance on information requirements and chemical safety assessment, chapter R.6: QSARs and grouping of chemicals.
Version / remarks:
May 2008
Principles of method if other than guideline:
(Q)SAR calculation: EPIWEB V4.1 - Biowin V 4.10
GLP compliance:
no
Specific details on test material used for the study:
SMILES : O=C(OO)c(cccc1CL)c1
CHEM : Benzenecarboperoxoic acid, 3-chloro-
MOL FOR: C7 H5 CL1 O3
MOL WT : 172.57
Key result
Parameter:
other: Primary and ultimate biodegradability prediction: No
Remarks on result:
other: QSAR calculation (BIOWIN)
Details on results:
Biowin1 (Linear Biodeg Probability): 0.4830
Biowin2 (Non-Linear Biodeg Probability): 0.1889
A Probability Greater Than or Equal to 0.5 indicates --> Biodegrades Fast
A Probability Less Than 0.5 indicates --> Does NOT Biodegrade Fast

Biowin3 (Survey Model - Ultimate Biodeg): 2.6112
Biowin4 (Survey Model - Primary Biodeg): 3.4334
Result Classification: 5.00 -> hours 4.00 -> days 3.00 -> weeks
(Primary & Ultimate) 2.00 -> months 1.00 -> longer

Biowin5 (MITI Linear Biodeg Probability): 0.2378
Biowin6 (MITI Non-Linear Biodeg Probability): 0.1002
A Probability Greater Than or Equal to 0.5 indicates --> Readily Degradable
A Probability Less Than 0.5 indicates --> NOT Readily Degradable

Biowin7 (Anaerobic Linear Biodeg Prob): 0.0521
A Probability Greater Than or Equal to 0.5 indicates --> Biodegrades Fast
A Probability Less Than 0.5 indicates --> Does NOT Biodegrade Fast

Ready Biodegradability Prediction: NO

Biowin1 (Linear Model Prediction) : Does Not Biodegrade Fast

Biowin2 (Non-Linear Model Prediction): Does Not Biodegrade Fast

Biowin3 (Ultimate Biodegradation Timeframe): Weeks-Months

Biowin4 (Primary Biodegradation Timeframe): Days-Weeks

Biowin5 (MITI Linear Model Prediction): Does Not Biodegrade Fast

Biowin6 (MITI Non-Linear Model Prediction): Does Not Biodegrade Fast

Biowin7 (Anaerobic Model Prediction): Does Not Biodegrade Fast

Ready Biodegradability Prediction: NO

Validity criteria fulfilled:
not applicable
Interpretation of results:
not readily biodegradable
Conclusions:
3-Chloroperbenzoic acid is predicted to not be readily biodegradable by the (Q)SAR model BIOWIN v4.10.
Executive summary:

3-Chloroperbenzoic acid is predicted to not be readily biodegradable by the (Q)SAR model BIOWIN v4.10.

Description of key information

Biowin1 (Linear Model Prediction) :Does Not Biodegrade Fast

Biowin2 (Non-Linear Model Prediction):Does Not Biodegrade Fast

Biowin3 (Ultimate Biodegradation Timeframe):Weeks-Months

Biowin4 (Primary Biodegradation Timeframe):Days-Weeks

Biowin5 (MITI Linear Model Prediction):Does Not Biodegrade Fast

Biowin6 (MITI Non-Linear Model Prediction):Does Not Biodegrade Fast

Biowin7 (Anaerobic Model Prediction):Does Not Biodegrade Fast

Ready Biodegradability Prediction: NO

Key value for chemical safety assessment

Biodegradation in water:
inherently biodegradable, not fulfilling specific criteria
Type of water:
other: (Q)SAR model BIOWIN v4.10.

Additional information