ARS PESTICIDE PROPERTIES last update May 1995


name:SETHOXYDIM                                CASRN: 74051-80-2

molecular formula: C17H29NO3S
molecular weight : 327.5
physical state   : L
(L=liquid; G=gas; S=solid)
reference: 9ACHB2

_________________________________________________________________________
Key to sources: (M)Manufacturer, (R)eview, (H)andbook, (E)xperiment,
                (C)alculated, (U)nknown, (P)EPA data, (W)auchope

* denotes a selected value where multiple values of a property are listed.
_________________________________________________________________________

-value-            -medium-   -temp-  -pH-   -source-    -reference-


Boiling point(deg C):
       -                                          H    9ACHB2

Melting point(deg C):
       -

Decomposition point(deg C):
       -

Heat of vaporization(deg C):

--RATE CONSTANTS--

Hydrolysis (per day):
0.438*                           25     3        M     7SCHER
0.015*                           25     6        M     7SCHER
0.00158*                         25     9        M     7SCHER

Photolysis (per day):
43.3*                WATER                       M     7SCHER

Vapor pressure (mPa):
0.02*                            25              H     9HERBH
                                                 M     7SCHER


Water solubility (ppm):     -temp-  -pH-    -source-   -reference-
4700                          25      7          H     9FACHB
                                                 H     9ACHB2
25                            20      4          H     9FACHB
                                                 H     9ACHB2
48                                               H     9HERBH
4390                          20      7          M     7SCHER

Organic solubility (ppm):


Henrys law (Pa m3/mol):
1.39E-6*                                         M     7SCHER

Octanol/water partitioning (log Kow): -pH-
1.38*                                  6         M     7SCHER

Acid dissociation (pKa):


Soil sorption:
soiltype        temp.   Kd      Koc      %om   pH     reference


Field Dissipation halflife(days):
value           test area        pH        source     reference
5-10                                          H       9HERBH
1-3                                           M       7SCHER
5(1-10)*

Halflife in soil:
Soiltype           aerobic      anaerobic   source    reference
                     2*           2           M       7SCHER


Comments:
AEROBIC=2(1-3); ANAEROBIC=2(1-3)