ARS PESTICIDE PROPERTIES last update May 1995


name:BENDIOCARB                                CASRN: 22781-23-3

molecular formula: C11H13NO4
molecular weight : 223.23
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):
129    -    130                                   H    9ACHB2

Decomposition point(deg C):
       -

Heat of vaporization(deg C):

--RATE CONSTANTS--

Hydrolysis (per day):
0.14*                            25     5       M     6NORAM
0.20*                            25     7       M     6NORAM
21*                              25     9       M     6NORAM

Photolysis (per day):
2.13*               SOIL        <30             M     6NORAM
0.0186*             WATE R       24             M     6NORAM

Vapor pressure (mPa):
4.6*                             25             M     6NORAM
0.66                             25             H     9ACHB2


Water solubility (ppm):       -temp-        -source-  -reference-
260*                             25             M     6NORAM
40                               25             H     9FACHB
                                                H     9FACHB 1990
                                                R     EESADV
40                               20             H     9ACHB2 1983 ED.

Organic solubility (ppm):
2.5E5     ACETONE                               H     9PME10
4E4       ETHANOL                               H     9PME10
4.5E5     DICHLOROMETHONE                       H     9PME10
1.6E4     XYLENE                                H     9PME10

Henrys law (Pa m3/mol):
4.0E-3*                                         M     6NORAM

Octanol/water partitioning (log Kow):
1.7*                             25             H     9PME10

Acid dissociation (pKa):
8.8*                             20             H     9PME10


Soil sorption:
soiltype      temp.   Kd     Koc    %om  pH  source   reference
                             570                R     EESADV
                             200                M     6NORAM
Field Dissipation halflife(days):
value          test area        pH   %OM     source   reference
3-21*                                           H     9ACHB2 1983 ED.

Halflife in soil:
Soiltype            aerobic      anaerobic   source   reference
SANDY LOAM           0.94                       M     6NORAM
CLAY LOAM            3.5                        M     6NORAM
LOAM                 3.5                        M     6NORAM
SILT LOAM            3.5                        M     6NORAM

Comments:
KOW VALUE 1.7 AT pH 6.9.