ARS PESTICIDE PROPERTIES DATABASE last updated Jan, 2002


name: BENSULIDE                                 CASRN: 741-58-2


SELECTED VALUES FOR MODELING PURPOSES (from Hornsby, et al., 1996)

WATER SOLUBILITY (mg/L): 5.6
FIELD HALF-LIFE (days): 120
SOIL ORGANIC CARBON SORPTION (Koc, mL/g): 1000 E
VAPOR PRESSURE (mm Hg): 8.0 x 10-7


PUBLISHED AND MANUFACTURER VALUES AND SOURCES

molecular formula: C14H24NO4PS3
molecular weight : 397.54
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):
34.4   -                                          H    9ACHB2

Decomposition point(deg C):
       -

Heat of vaporization(deg C):

--RATE CONSTANTS--

Hydrolysis (per day):
0.00315                          25     5-9      M     8ICIAG
0.0032*

Photolysis (per day):
0.00347*             SOIL        25              M     8ICIAG


Vapor pressure (mPa):
<0.13                            25              H     9ACHB2 1983 ED.
0.1*                             25              M     8ICIAG


Water solubility (ppm):     -temp-          -source-   -reference-
5.6*                          25                 M     8ICIAG


Organic solubility (ppm):

Henrys law (Pa m3/mol):
7.1E-3                        25                 M     8ICIAG

Octanol/water partitioning (log Kow):
4.1*                          25                 M     8ICIAG 

Acid dissociation (pKa):


Soil sorption:
soiltype        temp.   Kd       Koc     %om   pH     reference
                                 740                  JEVQAA 16:422-428,1987
                                 >7000                8ICIAG
                                 3900*

Field Dissipation halflife(days):
value           test area        pH        source     reference
3-120                                         H       9ACHB2 1983 ED.
8                                             M       8ICIAG
120-180                                       H       9HERBH

Halflife in soil:
Soiltype           aerobic      anaerobic   source    reference

Comments:
SOIL SORPTION KOC VALUE=3900(744-7000)