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Environmental fate & pathways

Biodegradation in water: screening tests

Administrative data

Endpoint:
biodegradation in water: ready biodegradability
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: Only tabular summary of results available. No full study report.

Data source

Reference
Reference Type:
other company data
Title:
Unnamed
Year:
1979

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
EU Method C.4-D (Determination of the "Ready" Biodegradability - Manometric Respirometry Test)
Deviations:
yes
Remarks:
Lack of documentation
Principles of method if other than guideline:
Because of the poor solubilty of the substance a saturated solution of the substance was used.
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
4-(6-methylbenzothiazol-2-yl)aniline
EC Number:
202-150-4
EC Name:
4-(6-methylbenzothiazol-2-yl)aniline
Cas Number:
92-36-4
Molecular formula:
C14H12N2S
IUPAC Name:
4-(6-methyl-1,3-benzothiazol-2-yl)aniline

Study design

Oxygen conditions:
not specified
Inoculum or test system:
not specified
Parameter followed for biodegradation estimation
Parameter followed for biodegradation estimation:
other: COD removal

Results and discussion

% Degradation
Parameter:
other: COD-Removal
Value:
< 10
Sampling time:
15 d

BOD5 / COD results

BOD5 / COD
Parameter:
COD
Value:
60 mg O2/g test mat.

Applicant's summary and conclusion

Interpretation of results:
under test conditions no biodegradation observed
Conclusions:
The test substance was found to be not readily biodegradable.