Registration Dossier

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:
1995
Bibliographic source:
EPA 738-R-96-001
Reference Type:
study report
Title:
Unnamed
Year:
1992
Reference Type:
study report
Title:
Unnamed
Year:
1993

Materials and methods

Principles of method if other than guideline:
Not known.
GLP compliance:
not specified
Test type:
not specified

Test material

Constituent 1
Reference substance name:
Ethanol, 2-(octylthio)-
IUPAC Name:
Ethanol, 2-(octylthio)-
Constituent 2
Chemical structure
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
Constituent 3
Reference substance name:
Hydroxyethyl octyl sulfide
IUPAC Name:
Hydroxyethyl octyl sulfide
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).