Registration Dossier
Registration Dossier
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EC number: 252-722-2 | CAS number: 35773-43-4
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: screening test, other
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Study period:
- 1989
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- documentation insufficient for assessment
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 989
- Report date:
- 1989
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: DIN H41
- GLP compliance:
- no
Test material
- Reference substance name:
- 3-(5-chlorobenzoxazol-2-yl)-7-(diethylamino)-2-benzopyrone
- EC Number:
- 252-722-2
- EC Name:
- 3-(5-chlorobenzoxazol-2-yl)-7-(diethylamino)-2-benzopyrone
- Cas Number:
- 35773-43-4
- Molecular formula:
- C20H17ClN2O3
- IUPAC Name:
- 3-(5-chloro-1,3-benzoxazol-2-yl)-7-(diethylamino)-2H-chromen-2-one
- Test material form:
- solid
Constituent 1
Study design
- Oxygen conditions:
- other: CSB
- Inoculum or test system:
- not specified
Initial test substance concentration
- Initial conc.:
- 1 g/L
- Based on:
- test mat.
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- O2 consumption
- Remarks:
- COD
Results and discussion
% Degradation
- Remarks on result:
- other: COD
BOD5 / COD results
BOD5 / COD
- Parameter:
- COD
- Value:
- 1 480 mg O2/g test mat.
Applicant's summary and conclusion
- Validity criteria fulfilled:
- not specified
- Interpretation of results:
- under test conditions no biodegradation observed
- Conclusions:
- The substance has an expected BOD5 of 0. The COD was determined at 1480 mg/L. The substance is not expected to show any potential for biodegradation.
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