Registration Dossier
Registration Dossier
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EC number: 203-247-4 | CAS number: 104-88-1
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: inherent biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- secondary literature
Data source
Reference
- Reference Type:
- secondary source
- Title:
- IUCLID dataset, 4-chlorobenzaldehyde
- Author:
- ECB-IUCLID
- Year:
- 2 000
- Bibliographic source:
- EU Commission - ECB-IUCLID
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 302 B (Inherent biodegradability: Zahn-Wellens/EMPA Test)
- GLP compliance:
- yes
Test material
- Reference substance name:
- 4-chlorobenzaldehyde
- EC Number:
- 203-247-4
- EC Name:
- 4-chlorobenzaldehyde
- Cas Number:
- 104-88-1
- Molecular formula:
- C7H5ClO
- IUPAC Name:
- 4-chlorobenzaldehyde
- Details on test material:
- Purity: 99.96 %
Constituent 1
- Specific details on test material used for the study:
- Details on properties of test surrogate or analogue material (migrated information):
no data
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge (adaptation not specified)
- Details on inoculum:
- no data
- Duration of test (contact time):
- 28 d
- Details on study design:
- no data
Results and discussion
- Preliminary study:
- no data
- Test performance:
- no data
% Degradation
- Parameter:
- % degradation (DOC removal)
- Value:
- 99
- Sampling time:
- 28 d
- Details on results:
- no data
BOD5 / COD results
- Results with reference substance:
- no data
Applicant's summary and conclusion
- Validity criteria fulfilled:
- not specified
- Interpretation of results:
- inherently biodegradable
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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