Registration Dossier
Registration Dossier
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EC number: 203-321-6 | CAS number: 105-67-9
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: screening tests
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Peer reviewed. Official data of jap. authorities. No details on the study available, because the study report is available in Japanese language.
Data source
Reference
- Reference Type:
- publication
- Title:
- No information
- Author:
- Japan. Miti
- Year:
- 2 001
- Bibliographic source:
- Results of Eco-toxicity tests of chemicals conducted by Ministry of the Environment in Japan, J-Check-Database
Materials and methods
Test guideline
- Guideline:
- other: no data
- GLP compliance:
- not specified
Test material
- Reference substance name:
- 2,4-xylenol
- EC Number:
- 203-321-6
- EC Name:
- 2,4-xylenol
- Cas Number:
- 105-67-9
- Molecular formula:
- C8H10O
- IUPAC Name:
- 2,4-dimethylphenol
Constituent 1
Study design
- Inoculum or test system:
- activated sludge, domestic (adaptation not specified)
- Duration of test (contact time):
- 28 d
Results and discussion
% Degradationopen allclose all
- Parameter:
- % degradation (O2 consumption)
- Value:
- 91
- Sampling time:
- 28 d
- Parameter:
- % degradation (TOC removal)
- Value:
- 98
- Sampling time:
- 28 d
- Parameter:
- % degradation (test mat. analysis)
- Remarks:
- HPLC
- Value:
- 100
- Sampling time:
- 28 d
Applicant's summary and conclusion
- Validity criteria fulfilled:
- not specified
- Interpretation of results:
- readily biodegradable
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