Registration Dossier

Environmental fate & pathways

Biodegradation in water: screening tests

Administrative data

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 limited documentation / justification
Justification for type of information:
QSAR calculations applying the valid QSAR calculation tool EPI-Suite (EPIWEB v 4.1) were conducted based on the CAS no: 97281-48-6

Data source

Reference
Reference Type:
other: QSAR calculation
Title:
Unnamed
Year:
2000

Materials and methods

Principles of method if other than guideline:
BIOWIN v4.10

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
other: Estimation based on CAS number
Details on test material:
CAS number 97281-48-6
Specific details on test material used for the study:
QSAR calculation based on CAS: 97281-48-6

Results and discussion

% Degradation
Key result
Parameter:
probability of ready biodegradability (QSAR/QSPR)
Remarks on result:
not readily biodegradable based on QSAR/QSPR prediction
Details on results:
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.9356
Biowin2 (Non-Linear Model) : 0.9736
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.3256 (weeks-months)
Biowin4 (Primary Survey Model) : 3.7009 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.7640
Biowin6 (MITI Non-Linear Model): 0.5653
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.4786
Ready Biodegradability Prediction: NO

Applicant's summary and conclusion

Interpretation of results:
not readily biodegradable
Conclusions:
Based on QSAR (BIOWIN v4.10) estimations, phosphatidylcholines, soya, hydrogenated is not readily biodegradable.
Executive summary:

Based on QSAR (BIOWIN v4.10) estimations, phosphatidylcholines, soya, hydrogenated is not readily biodegradable.