ARS PESTICIDE PROPERTIES last update May 1995


name:FOMESAFEN                                 CASRN: 72178-02-0

molecular formula: C15H10CLF3N2O6S
molecular weight : 438.5
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.
_________________________________________________________________________

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


Boiling point(deg C):
       -

Melting point(deg C):
220    -    221                                  H     9ACHB2

Decomposition point(deg C):
       -

Heat of vaporization(deg C):

--RATE CONSTANTS--

Hydrolysis (per day):
V. SLOW*                                         M    8ICIAG

Photolysis (per day):


Vapor pressure (mPa):
<0.1                             50              H     9ACHB2 7TH ED.,1977
<13*                             25              M     8ICIAG


Water solubility (ppm):     -temp-          -source-   -reference-
50                                               H     9HERBH 6TH ED.,1989
                                                 M     8ICIAG
6E05 Na Salt                                     H     9HERBH 6TH ED.,1989
7E05 Na Salt                                     M     8ICIAG

Organic solubility (ppm):
3E+5*     ACETONE             20                 H     9PMED8
1.5E+5*   CYCLOHEXANE         20                 H     9PMED8
1E+4*     DICHLOROMETHANE     20                 H     9PMED8
500*      HEXANE              20                 H     9PMED8
1.9E+3*   XYLENE              20                 H     9PMED8

Henrys law (Pa m3/mol):

Octanol/water partitioning (log Kow):
2.9*                                 pH 1        M     8ICIAG 03/01/90
-1.2*                                            M     8ICIAG 03/01/90

Acid dissociation (pKa):
2.7*                                             M     8ICIAG


Soil sorption:
soiltype        temp.   Kd       Koc     %om   pH     reference
                                 60*                  8ICIAG

Field Dissipation halflife(days):
value           test area        pH           source  reference
180-360                                          H    9HERBH 6TH ED., 1989
100                                              M    8ICIAG
185(100-360)*


Halflife in soil:
Soiltype           aerobic      anaerobic   source    reference


Comments:
WATER SOLUBILITY VALUE IS A FUNCTION OF pH.
OCTANOL WATER VALUE -1.2 Na Salt
VAPOR PRESSURE VALUE 0.0 Na Salt