ARS PESTICIDE PROPERTIES last update May 1995


name:TAU-FLUVALINATE                           CASRN: 102851-06-9

molecular formula: C26H22CLF3N2O3
molecular weight : 502.93
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):
450    -                                          H    9ACHB2

Melting point(deg C):
       -

Decomposition point(deg C):
350    -                                          M    6SANDO

Heat of vaporization(deg C):

--RATE CONSTANTS--

Hydrolysis (per day):
0.0144*                          25     5        M     6SANDO
0.0308*                          25     7        M     6SANDO
0.613*                           25     9        M     6SANDO

Photolysis (per day):
0.041                SOIL        25              M     6SANDO
75*                  WATER       25              M     6SANDO

Vapor pressure (mPa):
0.076*                           25              M     6SANDO


Water solubility (ppm):       -temp-        -source-   -reference-
0.012*                                           M     6SANDO

Organic solubility (ppm):
1.35E05*   ISO OCTANE             25             M     6SANDO

Henrys law (Pa m3/mol):
3.1*                              25             M     6SANDO

Octanol/water partitioning (log Kow):
4.26*                                            M     6SANDO

Acid dissociation (pKa):


Soil sorption:
soiltype        temp.    Kd      Koc      %om   pH     reference
CLAY LOAM                1200    1.1E05   1.8   7.4    6SANDO
SANDY LOAM               1300    2.8E05   0.8   5.8    6SANDO
MS. SEDIMENT             1000    1.9E05   0.9   6.6    6SANDO
MS. SILT LOAM            1100    2.7E05   0.7   5.7    6SANDO
SAND                     1300    3.7E05   0.6   7.4    6SANDO
                                 2.6E05*

Field Dissipation halflife(days):
value           test area        pH          source    reference
63             CA(BARE GRND)                    M      6SANDO
55             CA(TURF)                         M      6SANDO
59*

Halflife in soil:
Soiltype            aerobic      anaerobic   source    reference
SANDY LOAM           8.3                        M      6SANDO
SILTY CLAY           3                          M      6SANDO
                     6-8                        M      6SANDO
SANDY LOAM           60                         M      6SANDO
SNDY&CLAY ,CLAY      6-80                       M      6SANDO
                     25*                        
                               86(84.2-88.3)*


Comments:
SOIL SORPTION KOC VALUE=2.44E05(1.1E05-2.8E05);
AEROBIC 25=3-80