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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Environmental fate & pathways

Biodegradation in water: screening tests

Administrative data

Endpoint:
biodegradation in water: ready biodegradability
Type of information:
(Q)SAR
Adequacy of study:
supporting study
Study period:
2016
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

Data source

Reference
Reference Type:
other company data
Title:
Unnamed
Year:
2016
Report date:
2016

Materials and methods

Test guideline
Qualifier:
no guideline available
Principles of method if other than guideline:
QSAR calculation without guideline

Test material

Constituent 1
Chemical structure
Reference substance name:
3-chlorobenzonitrile
EC Number:
212-172-6
EC Name:
3-chlorobenzonitrile
Cas Number:
766-84-7
Molecular formula:
C7H4ClN
IUPAC Name:
3-chlorobenzonitrile
impurity 1
Chemical structure
Reference substance name:
4-chlorobenzonitrile
EC Number:
210-765-4
EC Name:
4-chlorobenzonitrile
Cas Number:
623-03-0
Molecular formula:
C7H4ClN
IUPAC Name:
4-chlorobenzonitrile
impurity 2
Chemical structure
Reference substance name:
Benzonitrile
EC Number:
202-855-7
EC Name:
Benzonitrile
Cas Number:
100-47-0
Molecular formula:
C7H5N
IUPAC Name:
benzonitrile
Test material form:
solid: bulk

Results and discussion

% Degradation
Parameter:
probability of ready biodegradability (QSAR/QSPR)
Remarks on result:
not readily biodegradable based on QSAR/QSPR prediction

Applicant's summary and conclusion

Validity criteria fulfilled:
not applicable
Interpretation of results:
not readily biodegradable
Conclusions:
3-Chlorobenzonitrile is not readily biodegradable
Executive summary:

3-Chlorobenzonitrile is not readily biodegradable, based on QSAR prediction