Registration Dossier
Registration Dossier
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EC number: 222-598-4 | CAS number: 3547-33-9
Biodegradation in soil
Administrative data
- Endpoint:
- biodegradation in soil
- Adequacy of study:
- supporting study
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- other: Reported in a secondary souce, the U.S. EPA's Reregistration Eligibility Decision (RED) for Hydroxyethyl octyl sulfide, however the original data were not availalble for review.
Data source
Referenceopen allclose all
- Reference Type:
- secondary source
- Title:
- Reregistration Eligibility Decision (RED) Hydroxyethyl octyl sulfide
- Author:
- United States Environmental Protection Agency
- Year:
- 1 995
- Bibliographic source:
- EPA 738-R-96-001
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 992
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 993
Materials and methods
- Principles of method if other than guideline:
- Not known.
- GLP compliance:
- not specified
- Test type:
- not specified
Test material
- Reference substance name:
- Ethanol, 2-(octylthio)-
- IUPAC Name:
- Ethanol, 2-(octylthio)-
- Reference substance name:
- 2-(octylthio)ethanol
- EC Number:
- 222-598-4
- EC Name:
- 2-(octylthio)ethanol
- Cas Number:
- 3547-33-9
- Molecular formula:
- C10H22OS
- IUPAC Name:
- 2-(octylsulfanyl)ethan-1-ol
- Reference substance name:
- Hydroxyethyl octyl sulfide
- IUPAC Name:
- Hydroxyethyl octyl sulfide
Constituent 1
Constituent 2
Constituent 3
- Radiolabelling:
- not specified
Study design
- Oxygen conditions:
- aerobic
- Soil classification:
- other: sandy loam
Duration of test (contact time)
- Soil No.:
- #1
- Duration:
- 30 d
Initial test substance concentration
- Soil No.:
- #1
- Initial conc.:
- 10 ppm
- Based on:
- not specified
Experimental conditions
- Soil No.:
- #1
- Temp.:
- 25 + 1 degC
- Details on experimental conditions:
- Sandy loam soil was dosed with 10 ppm of the parent compound and aerobically incubated at 25 ±1°C in darkness for up to 30 days.
Results and discussion
Half-life / dissipation time of parent compound
- DT50:
- 31 h
- Transformation products:
- yes
- Details on transformation products:
- Metabolites were the sulfone, sulfoxide, and alphahydroxylated sulfone and sulfoxide compounds, which degrade by beta oxidation to CO2.
- Evaporation of parent compound:
- not specified
- Volatile metabolites:
- not specified
- Residues:
- not specified
Applicant's summary and conclusion
- Conclusions:
- The half-life in an aerobic sandy loam soil was 31 hours (1.3 days).
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