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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Environmental fate & pathways

Biodegradation in water: screening tests

Administrative data

Endpoint:
biodegradation in water: screening tests
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Guideline study with acceptable restrictions.

Data source

Referenceopen allclose all

Reference Type:
study report
Title:
Unnamed
Year:
1992
Report date:
1992
Reference Type:
secondary source
Title:
1,3-Dichlorobut-1-ene - CAS No: 926-57-8
Author:
OECD SIDS
Year:
2007
Bibliographic source:
SIDS Initial Assessment Report for 22th SIAM, UNEP Publications

Materials and methods

Principles of method if other than guideline:
other: modified OECD Screening test. The procedure was devised based on Appendix V C.3 Degradability: Modified OECD Screening Test, Guideline of the Commission 84/449/EWG (Official Journal of the EEC No. L 251 of 19 September 1984).
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
1,3-dichlorobut-2-ene
EC Number:
213-138-3
EC Name:
1,3-dichlorobut-2-ene
Cas Number:
926-57-8
Molecular formula:
C4H6Cl2
IUPAC Name:
1,3-dichlorobut-2-ene
Details on test material:
- Name of test material (as cited in study report): E/Z-1,3-Dichlorbuten-2
- Analytical purity: 99.1 %

Study design

Oxygen conditions:
aerobic
Inoculum or test system:
sewage, domestic (adaptation not specified)
Details on inoculum:
- Concentration of sludge: 0.5 mL/900mL
Initial test substance concentration
Initial conc.:
20 mg/L
Based on:
DOC

Results and discussion

% Degradation
Value:
0
Sampling time:
28 d

Applicant's summary and conclusion

Interpretation of results:
under test conditions no biodegradation observed