Registration Dossier
Registration Dossier
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EC number: 200-935-6 | CAS number: 76-12-0
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: The data source is considered reliable.
Data source
Reference
- Reference Type:
- other: web database
- Title:
- Unnamed
- Year:
- 2 012
Materials and methods
- Principles of method if other than guideline:
- not specified.
- GLP compliance:
- not specified
Test material
- Reference substance name:
- 1,1,2,2-tetrachloro-1,2-difluoro-ethane
- IUPAC Name:
- 1,1,2,2-tetrachloro-1,2-difluoro-ethane
- Reference substance name:
- Tetrachloro-1,2-difluoroethane
- EC Number:
- 200-935-6
- EC Name:
- Tetrachloro-1,2-difluoroethane
- Cas Number:
- 76-12-0
- Molecular formula:
- C2Cl4F2
- IUPAC Name:
- 1,1,2,2-tetrachloro-1,2-difluoroethane
- Details on test material:
- - Name of test material (as cited in study report): 1,1,2,2-tetrachloro-1,2-difluoroethane
Constituent 1
Constituent 2
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge (adaptation not specified)
- Duration of test (contact time):
- 4 wk
Initial test substance concentration
- Initial conc.:
- 100 other: ppm
Results and discussion
% Degradationopen allclose all
- Parameter:
- other: based on BOD
- Value:
- 12
- Sampling time:
- 28 d
- Parameter:
- other: based on GC
- Value:
- 1
- Sampling time:
- 28 d
Applicant's summary and conclusion
- Interpretation of results:
- under test conditions no biodegradation observed
- Conclusions:
- The biodegradability of 1,1,2,2-tetrachloro-1,2-difluoroethane based on Oxygen comsumption is reported to be 12%.
- Executive summary:
The reported information derives by the Existing Chemicals Survey Program Conducted by the Japanese Government and it is pubblished on the web database.
According to the source, the degradability of 1,1,2,2-tetrachloro-1,2-difluoroethane based on Oxygen comsumption is reported to be 12% over a period of 4 weeks.
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