Registration Dossier
Registration Dossier
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EC number: 237-721-7 | CAS number: 13940-94-8
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)
Data source
Referenceopen allclose all
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 982
- Report date:
- 1983
- 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)
- GLP compliance:
- no
Test material
- Reference substance name:
- 4-chloro-1-(dichloromethyl)benzene
- EC Number:
- 237-721-7
- EC Name:
- 4-chloro-1-(dichloromethyl)benzene
- Cas Number:
- 13940-94-8
- Molecular formula:
- C7H5Cl3
- IUPAC Name:
- 1-chloro-4-(dichloromethyl)benzene
- Details on test material:
- Purity of test item ca 99.5 %
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge, industrial, adapted
Results and discussion
% Degradationopen allclose all
- Value:
- 10
- Sampling time:
- 3 h
- Value:
- 15
- Sampling time:
- 5 d
- Value:
- > 95
- Sampling time:
- 10 d
Applicant's summary and conclusion
- Conclusions:
- With adapted bacteria the test item is inherently biodegradable.
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