Registration Dossier

Diss Factsheets

Environmental fate & pathways

Biodegradation in water: screening tests

Currently viewing:

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:
2000
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

Constituent 1
Chemical structure
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 %
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