1,3-dichlorobut-2-ene

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

Reference

Reference 1

Reference Type:

study report

Title:

Unnamed

Year:

1992

Report date:

1992

Reference 2

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

Test material information

Constituent 1

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