Registration Dossier
Registration Dossier
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EC number: 219-397-9 | CAS number: 2431-50-7
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- other information
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Guideline Study, basic data given.
Data source
Referenceopen allclose all
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 989
- Reference Type:
- secondary source
- Title:
- 2,3,4-TRICHLORO-1-BUTENE
- Author:
- ECB
- Year:
- 2 000
- Bibliographic source:
- ECB IUCLID dataset
- Reference Type:
- secondary source
- Title:
- 2,3,4-TRICHLORO-1-BUTENE - CAS No: 2431-50-7
- Author:
- OECD
- Year:
- 1 993
- Bibliographic source:
- Screening Information Data Set (SIDS) of OECD High Production Volume Chemicals Programme, (1993)
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- other: EG Guideline 79/831 EWG, part 5
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 301 D (Ready Biodegradability: Closed Bottle Test)
- GLP compliance:
- not specified
Test material
- Reference substance name:
- 2,3,4-trichlorobut-1-ene
- EC Number:
- 219-397-9
- EC Name:
- 2,3,4-trichlorobut-1-ene
- Cas Number:
- 2431-50-7
- Molecular formula:
- C4H5Cl3
- IUPAC Name:
- 2,3,4-trichlorobut-1-ene
- Details on test material:
- - Name of test material (as cited in study report): 2,3,4-Trichlorbuten-1
- Analytical purity: not stated in original report (99% reported in SIDS report)
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- sewage, predominantly domestic (adaptation not specified)
- Details on inoculum:
- - Source of inoculum/activated sludge: laboratory treatment plant
- Laboratory culture: yes - Duration of test (contact time):
- 28 d
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- O2 consumption
Reference substance
- Reference substance:
- aniline
Results and discussion
% Degradation
- Parameter:
- % degradation (O2 consumption)
- Value:
- 0
- Sampling time:
- 28 d
BOD5 / COD results
- Results with reference substance:
- 100 % after 28 d
Any other information on results incl. tables
The substance is not readily biodegradable
Applicant's summary and conclusion
- Interpretation of results:
- under test conditions no biodegradation observed
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