Registration Dossier
Registration Dossier
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EC number: 205-182-7 | CAS number: 135-19-3
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: screening tests
- Type of information:
- experimental study
- Adequacy of study:
- other information
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- other: PEER REVIEWED. No sufficient experimental details.
Data source
Reference
- Reference Type:
- review article or handbook
- Title:
- Biodegradation and Bioaccumulation Data of Existing Chemicals Based on the CSCL Japan.
- Author:
- Chemicals Inspection and Testing Institute
- Year:
- 1 992
- Bibliographic source:
- Japan Chemical Industry Ecology - Toxicology and Information Center. ISBN 4-89074-101-1; As cited in Toxnet Database
Materials and methods
- Principles of method if other than guideline:
- no data
- GLP compliance:
- not specified
Test material
- Reference substance name:
- 2-naphthol
- EC Number:
- 205-182-7
- EC Name:
- 2-naphthol
- Cas Number:
- 135-19-3
- Molecular formula:
- C10H8O
- IUPAC Name:
- 2-naphthol
Constituent 1
Study design
- Oxygen conditions:
- not specified
- Inoculum or test system:
- activated sludge (adaptation not specified)
- Details on inoculum:
- Concentration of sludge = 100 mg/L
- Duration of test (contact time):
- 2 wk
Initial test substance concentration
- Initial conc.:
- 30 mg/L
Results and discussion
% Degradation
- Value:
- 96
- Sampling time:
- 2 wk
- Remarks on result:
- other: Degradation measured as BOD/ThOD
Applicant's summary and conclusion
- Conclusions:
- A two week biodegradation study using 100 mg/L sludge and a concentration of 2-naphthol of 30 mg/L gave a 96% theoretical BOD.
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