Registration Dossier
Registration Dossier
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EC number: 405-490-3 | CAS number: 613-62-7 BENZYL-2-NAPHTHYLETHER; BETA-NAPHTHYLBENZYLETHER (BON); BNE; BON; NIPAFAX BNE; SENSLON-50; ZO-1
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: screening tests
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 990
- Report date:
- 1990
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- EU Method C.9 (Biodegradation: Zahn-Wellens Test)
- GLP compliance:
- yes
Test material
- Reference substance name:
- 2-(phenylmethoxy)naphthalene
- EC Number:
- 405-490-3
- EC Name:
- 2-(phenylmethoxy)naphthalene
- Cas Number:
- 613-62-7
- Molecular formula:
- C17H14O
- IUPAC Name:
- 2-(benzyloxy)naphthalene
Constituent 1
Study design
- Duration of test (contact time):
- 28 d
Initial test substance concentration
- Initial conc.:
- 30 mg/L
- Based on:
- test mat.
Reference substance
- Reference substance:
- aniline
Results and discussion
% Degradationopen allclose all
- Parameter:
- not specified
- Value:
- ca. 2.4
- Sampling time:
- 7 d
- Parameter:
- not specified
- Value:
- ca. 0.8
- Sampling time:
- 10 d
- Parameter:
- not specified
- Value:
- ca. 0.8
- Sampling time:
- 14 d
- Parameter:
- not specified
- Value:
- ca. 0
- Sampling time:
- 21 d
- Parameter:
- not specified
- Value:
- ca. 0
- Sampling time:
- 27 d
- Details on results:
- Experimental values (test substance)
2.4% biodegradation after 7d
0.8% biodegradation after 10d
0.8% biodegradation after 14d
0% biodegradation after 21d
0% biodegradation after 27d
BOD5 / COD results
BOD5 / CODopen allclose all
- Parameter:
- BOD5
- Value:
- 0 g O2/g test mat.
- Parameter:
- COD
- Value:
- 2.61 g O2/g test mat.
- Parameter:
- BOD5*100/COD
- Value:
- 0
- Results with reference substance:
- Experimental values (reference substance)
61.7% biodegradation after 7d
72.7% biodegradation after 10d
73.9% biodegradation after 14d
73.5% biodegradation after 21d
73.1% biodegradation after 27d
Applicant's summary and conclusion
- Conclusions:
- The study confirms that the substance is not biodegradable.
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