ARS PESTICIDE PROPERTIES last update May 1995


name:ETHOFUMESATE                              CASRN: 26225-79-6

molecular formula: C13H18O5S
molecular weight : 286.3
physical state   : S
(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):
       -

Melting point(deg C):
69     -     71                                  H        9ACHB2

Decomposition point(deg C):
       -

Heat of vaporization(deg C):

--RATE CONSTANTS--
 
Hydrolysis (per day):
7.4E-4 to 3.4E-4                 20      5-9     M     6NORAM

Photolysis (per day):
0.101*               SOIL        OD              M     6NORAM
0.533*               WATER       OD              M     6NORAM

Vapor pressure (mPa):
 .086                            25              H     9HERBH
                                                 H     9ACHB2 1983 ED.
                                                 H     9ACHB2
 0.65*                           25              M     7SCHER



Water solubility (ppm):        -temp-        -source- -reference-
110                              25              H     9HERBH
50*                              25              M     7SCHER
                                                 H     9ACHB2 1983 ED.

Organic solubility (ppm):
4E5          ACETONE             25              H     9PME10
4E5          BENZENE             25              H     9PME10
4E5          CHLOROFORM          25              H     9PME10
4E5          DIOXANE             25              H     9PME10
1E5          ETHANOL             25              H     9PME10
4E3          HEXANE              25              H     9PME10
Henrys law (Pa m3/mol):
3.7E-03*                                         M     6NORAM

Octanol/water partitioning (log Kow):
2.7*                             25              M     6NORAM

Acid dissociation (pKa):



Soil sorption:
soiltype      temp.   Kd    Koc    %om   pH   source   reference
                            760                  E     CMSHAF 10:833-845,1981
SAND                        2.1E02               M     6NORAM
SANDY LOAM                  1.2E02               M     6NORAM
SILT CLAY LOAM              1.6E02               M     6NORAM
CLAY                        1.3E02               M     6NORAM
                            276*

Field Dissipation halflife(days):
value           test area        pH    %OM    source   reference
<35->98                                          H     9ACHB2 1983 ED.
35                                               H     9HERBH
98                                               H     9HERBH
20-30                                            M     7SCHER
75               CA                              M     6NORAM
95-150           ND                              M     6NORAM
80*

Halflife in soil:
Soiltype            aerobic      anaerobic    source   reference
                                  759            M     6NORAM
LOAM                 83                          M     6NORAM
SILT LOAM            83                          M     6NORAM
SANDY LOAM          122                          M     6NORAM
SANDY LOAM          285                          M     6NORAM
                    143*                         M     6NORAM


Comments:
SOIL SORPTION KOC=276(120-760); AEROBIC VALUE 285 = LOW MOISTURE SANDY
LOAM.