Registration Dossier
Registration Dossier
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EC number: 201-849-1 | CAS number: 88-66-4
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: inherent biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- other information
- Reliability:
- 3 (not reliable)
- Rationale for reliability incl. deficiencies:
- other: Documentation not sufficient for validation.
Data source
Referenceopen allclose all
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 981
- Report date:
- 1981
- Reference Type:
- other company data
- Title:
- Unnamed
- Year:
- 1 997
- Report date:
- 1997
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 302 B (Inherent biodegradability: Zahn-Wellens/EMPA Test)
Test material
- Reference substance name:
- 1-chloro-2-(dichloromethyl)benzene
- EC Number:
- 201-849-1
- EC Name:
- 1-chloro-2-(dichloromethyl)benzene
- Cas Number:
- 88-66-4
- Molecular formula:
- C7H5Cl3
- IUPAC Name:
- 1-chloro-2-(dichloromethyl)benzene
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge, industrial, adapted
- Duration of test (contact time):
- 11 d
Initial test substance concentration
- Initial conc.:
- 115 mg/L
- Based on:
- DOC
Results and discussion
% Degradation
- Value:
- 95
- Sampling time:
- 11 d
Applicant's summary and conclusion
- Conclusions:
- The test item has been eliminated by > 95% within 11 days but it is not possible to make a conclusion about the rate of biodegradation.
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