Registration Dossier
Registration Dossier
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EC number: 262-038-6 | CAS number: 60047-17-8
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2000
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: GLP compliant study conducted according to OECD Guidelines, with no or minor deviations.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 000
- Report date:
- 2000
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 F (Ready Biodegradability: Manometric Respirometry Test)
- GLP compliance:
- yes (incl. QA statement)
Test material
- Reference substance name:
- 2-(tetrahydro-5-methyl-5-vinyl-2-furyl)propan-2-ol
- EC Number:
- 262-038-6
- EC Name:
- 2-(tetrahydro-5-methyl-5-vinyl-2-furyl)propan-2-ol
- Cas Number:
- 60047-17-8
- Molecular formula:
- C10H18O2
- IUPAC Name:
- 2-(5-methyl-5-vinyltetrahydrofuran-2-yl)propan-2-ol
- Test material form:
- other: Liquid
- Details on test material:
- Batch 9000378938
Purity 98% (sum of both isomers)
Please note that although the substance is described in the report with the IUPAC name: 2-METHYL-2-VINYL-5-(1-HYDROXY-1-METHYLETHYL)TETRA-HYDROFURAN related to the CAS number 1365-19-1, recent analytical data had been determined the substance to be a multi-constituent 2-(tetrahydro-5-methyl-5-vinyl-2-furyl)propan-2-ol related to the CAS number 60047-17-8.
As the chemical manufacturing process has not changed since the report was written, the recent analytical information is relevant to the batch which was tested.
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge, domestic, non-adapted
- Duration of test (contact time):
- 28 d
Initial test substance concentration
- Initial conc.:
- 100 mg/L
- Based on:
- test mat.
Results and discussion
% Degradation
- Parameter:
- % degradation (O2 consumption)
- Value:
- ca. 84
- Sampling time:
- 28 d
- Remarks on result:
- other: in the test conditions (22°C)
- Details on results:
- Biodegradation starts on Day 7 and reaches 75% at the end of the 10-day window (days 7 to 17). At the concentration used in th test (100 mg/l), LINALOOL OXIDE is not inhibitory to the micro-organism.
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- readily biodegradable
- Conclusions:
- Thus, LINALOOL OXIDE should be regarded as readily biodegradable according to this test.
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