Registration Dossier
Registration Dossier
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EC number: 203-402-6 | CAS number: 106-48-9
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Collection of data, published by Japanese government. Basic data given.
Data source
Reference
- Reference Type:
- publication
- Title:
- p-Chlorophenol
- Author:
- MITI [METI]
- Year:
- 1 992
- Bibliographic source:
- Biodegradation and bioaccumulation data of existing chemicals based on the CSCL Japan. Tokyo (JP): Japan Chemical Industry Ecology-Toxicology & Information Center, p.3-71.
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 C (Ready Biodegradability: Modified MITI Test (I))
- GLP compliance:
- not specified
Test material
- Reference substance name:
- 4-chlorophenol
- EC Number:
- 203-402-6
- EC Name:
- 4-chlorophenol
- Cas Number:
- 106-48-9
- Molecular formula:
- C6H5ClO
- IUPAC Name:
- 4-chlorophenol
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- mixture of sewage, soil and natural water
- Details on inoculum:
- - Sludge: 30 mg/L
- Duration of test (contact time):
- 2 wk
Initial test substance concentration
- Initial conc.:
- 100 mg/L
- Based on:
- test mat.
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- O2 consumption
Results and discussion
% Degradation
- Parameter:
- % degradation (O2 consumption)
- Value:
- 2
Applicant's summary and conclusion
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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