Registration Dossier
Registration Dossier
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EC number: 214-604-9 | CAS number: 1163-19-5
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: screening tests
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 1992
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Study performed according to Japanese (MITI/MHW) guidelines for a ready biodegradation study using commercial DecaBDE as the test article.
Data source
Referenceopen allclose all
- Reference Type:
- publication
- Title:
- Biodegradation and bioaccumulation data based on the CSCL Japan
- Author:
- Anonymous
- Year:
- 1 992
- Bibliographic source:
- Eds: Chemicals Inspection & Testing Institute, Tokyo, Japan
- Reference Type:
- publication
- Title:
- Unnamed
- Year:
- 2 002
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- other: ready biodegradation test of MITI/MHW Japan
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 301 C (Ready Biodegradability: Modified MITI Test (I))
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 302 C (Inherent Biodegradability: Modified MITI Test (II))
- GLP compliance:
- not specified
Test material
- Reference substance name:
- Bis(pentabromophenyl) ether
- EC Number:
- 214-604-9
- EC Name:
- Bis(pentabromophenyl) ether
- Cas Number:
- 1163-19-5
- Molecular formula:
- C12Br10O
- IUPAC Name:
- bis(pentabromophenyl) ether
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- mixture of sewage, soil and natural water
- Duration of test (contact time):
- 2 wk
Initial test substance concentration
- Initial conc.:
- 100 mg/L
- Based on:
- test mat.
Results and discussion
% Degradation
- Parameter:
- % degradation (O2 consumption)
- Value:
- 0
- Sampling time:
- 14 d
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- under test conditions no biodegradation observed
- Conclusions:
- DecaBDE was not readily biodegradable by a mixture of sewage sludge, soil, sediment, and water under aerobic conditions.
- Executive summary:
DecaBDE was not readily biodegradable by a mixture of sewage sludge, soil, sediment, and water under aerobic conditions.
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