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
Study period:
25.02.2019
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

Data source

Reference
Title:
Prediction of CO2 evolution (Ready Biodegradability) for copper gluconate+copper sulphate+sodium sulphate
Year:
2019
Bibliographic source:
QSAR Toolbox 3.4.0.17
Report date:
2019

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: REACH Guidance on QSAR R6

Test material

Reference
Name:
Unnamed
Type:
Constituent
Type:
Constituent
Type:
Constituent
Test material form:
liquid
Remarks:
Bluish liquid
Specific details on test material used for the study:
SMILES:O=S(=O)(O{-}.[Na]{+})O{-}.[Na]{+}_O=S1(=O)O{-}.[Cu]{2+}.O{-}1_OCC{P-}(O)C{P-}(O)C{P+}(O)C{P-}(O)C(=O)O{-}.[Cu]{2+}.O{-}C(=O)C{P-}(O)C{P+}(O)C{P-}(O)C{P-}(O)CO

Results and discussion

% Degradation
Key result
Parameter:
% degradation (CO2 evolution)
Value:
83.8
Remarks on result:
readily biodegradable based on QSAR/QSPR prediction

Applicant's summary and conclusion

Validity criteria fulfilled:
yes
Interpretation of results:
readily biodegradable
Conclusions:
The value obtained for the terrestrial biodegradation of the prediction was 83.8%