Registration Dossier
Registration Dossier
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EC number: 207-313-3 | CAS number: 461-72-3
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- documentation insufficient for assessment
Data source
Reference
- Reference Type:
- publication
- Title:
- Biodegradation and Bioaccumulation Data of Existing Chemicals Based on the CSCL Japan
- Author:
- MITI
- Year:
- 1 993
- Bibliographic source:
- Japan Chemical Industry Ecology-Toxicology & Information Center
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 C (Ready Biodegradability: Modified MITI Test (I))
Test material
- Reference substance name:
- Hydantoin
- EC Number:
- 207-313-3
- EC Name:
- Hydantoin
- Cas Number:
- 461-72-3
- Molecular formula:
- C3H4N2O2
- IUPAC Name:
- hydantoin
- Test material form:
- not specified
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Details on inoculum:
- - Concentration of sludge: 30 ppm
- Duration of test (contact time):
- 14 d
Initial test substance concentration
- Initial conc.:
- 100 other: ppm
- Based on:
- test mat.
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- O2 consumption
Results and discussion
% Degradationopen allclose all
- Parameter:
- % degradation (O2 consumption)
- Value:
- 77
- Sampling time:
- 14 d
- Parameter:
- % degradation (TOC removal)
- Value:
- 98
- Sampling time:
- 14 d
- Parameter:
- % degradation (test mat. analysis)
- Value:
- 100
- Sampling time:
- 14 d
- Remarks on result:
- other: HPLC
Applicant's summary and conclusion
- Interpretation of results:
- readily biodegradable
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