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:
weight of evidence
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
results derived from a (Q)SAR model, with limited documentation / justification
Justification for type of information:
QSAR Prediction

Data source

Reference
Reference Type:
other: Predicted data
Title:
Unnamed
Year:
2016

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
other: REACH guidance on QSARs R.6, May/July2008
GLP compliance:
not specified

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
solid: crystalline

Results and discussion

% Degradation
Parameter:
probability of ready biodegradability (QSAR/QSPR)
Value:
9.6
Remarks on result:
other: Database: Biodegradation NITE

Any other information on results incl. tables

Software Database / Method Method Species Predicted value
Toxtree Canadian EPA START Biodegradability Structural Alerts Class 2 (persistent chemical).

Applicant's summary and conclusion

Interpretation of results:
not readily biodegradable
Conclusions:
According to (Q)SAR modells: QSAR Toolbox, Toxtree the predicted values indicated that alpha-ethyl pseudo adduct base is not ready biodegradable.