ARS PESTICIDE PROPERTIES last update May 1995


name:FENOXAPROP-ET                             CASRN: 66441-23-4

molecular formula: C18H16CLNO5
molecular weight : 361.8
physical state   : S
(L=liquid; G=gas; S=solid)
reference: 9ACHB2

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


Boiling point(deg C):
       -  >300                                   M     8HOECH

Melting point(deg C):
84     -     87                                  H     9ACHB2

Decomposition point(deg C):
       -    320                                  M     8HOECH

Heat of vaporization(deg C):

--RATE CONSTANTS--

Hydrolysis (per day):
1E-3                          20      5         M     8HOECH
6.65E-3                       20      7         M     8HOECH
0.29                          20      9         M     8HOECH

Photolysis (per day):
0.69                 SOIL                       M     8HOECH
0.097                WATER                      M     8HOECH

Vapor pressure (mPa):
.002                          20                H     9ACHB2
0.004*                        25                M     8HOECH
.0025                         20                H     9HERBH 6TH ED.,1989


Water solubility (ppm):     -temp-          -source- -reference-
0.9                           25                H     9ACHB2 7TH ED.,1977
0.9*                          25                M     8HOECH

Organic solubility (ppm):
>5E05*    ACETONE             25                H     9PMED8
>1E04*    CYCLOHEXANE         25                H     9PMED8
>1E04*    OCTAN-1-OL          25                H     9PMED8
>2E05*    ETHYL ACETATE       25                H     9PMED8
>3E05*    TOLUENE             25                H     9PMED8

Henrys law (Pa m3/mol):
0.0016*                       25                M     8HOECH

Octanol/water partitioning (log Kow):
4.28                                            M     8HOECH
Acid dissociation (pKa):


Soil sorption:
soiltype       temp.   Kd      Koc      %om   pH    reference
                               5.37E04              9ACHB2
                               9490*                8HOECH

Field Dissipation halflife(days):
value          test area        pH         source   reference
14.1             IN                           M     8HOECH
9.4              MD                           M     8HOECH
12*     

Halflife in soil:
Soiltype         aerobic      anaerobic   source    reference
                  1*           30*            M     8HOECH
Comments: