ARS PESTICIDE PROPERTIES last update May 1995


name:FLURIDONE                                 CASRN: 59756-60-4

molecular formula: C19H14F3NO
molecular weight : 329.3
physical state   : S
(L=liquid; G=gas; S=solid)
reference:

_________________________________________________________________________
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):
154    -    155                                  H     9ACHB2

Decomposition point(deg C):
200    -    219

Heat of vaporization(deg C):


--RATE CONSTANTS--

Hydrolysis (per day):
STABLE*                          100    3-9

Photolysis (per day):
0.55*                WATER       28              M     6DOWCH

Vapor pressure (mPa):
 <.013                           25              H     9HERBH
 0.013*                          25              H     9ACHB2
                                                 M     7LILLY

Water solubility (ppm):       -temp-        -source-  -reference-
12                               RT              H     9HERBH
10*                                              M     7LILLY

Organic solubility (ppm):
>1E+4*    CHLOROFORM                             H     9PMED8
>1E+4*    METHANOL                               H     9PMED8
>500*     HEXANE                                 H     9PMED8

Henrys law (Pa m3/mol):
3.66E-4*                                         M     6DOWCH

Octanol/water partitioning (log Kow):
1.87*                                            M     6DOWCH

Acid dissociation (pKa):
12.3                                             E     WEESAG 38:421-428,1990


Soil sorption:
soiltype     temp.   Kd    Koc      %om   pH  source  reference
                           450                   M    7LILLY
                           883-2462              E    JEVQAA 9:151-156,1980
LOAMY SAND    25     3     350      1.5   8.1    M    6DOWCH
SAND          25     6     1000     1.0   6.5    M    6DOWCH
CLAY LOAM     25     11    1000     1.9   7.4    M    6DOWCH
SILTY CLAY LM 25     11    460      4.1   5.7    M    6DOWCH
LOAM          25     16    1100     2.6   5.7    M    6DOWCH
                           862*


Field Dissipation halflife(days):
value           test area        pH         source    reference
21              (aquatic env.)                 H      7HCHPH
                                               H      9HERBH
90                                             H      9HERBH 6TH ED.,1989
4-7                                            E      JEVQAA 9:151-156,1980
34(4-90)*

Halflife in soil:
Soiltype               aerobic      anaerobic   source    reference

Comments:
SOIL SORPTION KOC VALUE=862(350-2462)