ARS PESTICIDE PROPERTIES last update May 1995


name:CARBOXIN                                  CASRN: 5234-68-4

molecular formula: C12H13NO2S
molecular weight : 235.31
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):
91.1   -   91.7                                  M     6UNIRO

Decomposition point(deg C):
       -

Heat of vaporization(deg C):

--RATE CONSTANTS--

Hydrolysis (per day):
1.9E-3*                          25    5,7,9     M     6UNIRO

Photolysis (per day):
11.6*                SOIL        25              M     6UNIRO
10.8*                WATER       25              M     6UNIRO

Vapor pressure (mPa):
.0253*                           25              M     6UNIRO
.024                             25              M     7SCHER


Water solubility (ppm):     -temp-          -source-   -reference-
199                           20                 M     6UNIRO
170                           25                 R     EESADV
                                                 H     9ACHB2 1983 ED.
195*                          20                 M     7SCHER

Organic solubility (ppm):
1.77E+5*  ACETONE             25                 M     6UNIRO
3.5E+5*   METHYLENE CHLORIDE  25                 M     6UNIRO
9.25E+4*  ETHYL ACETATE       25                 M     6UNIRO
8.8E+4*   METHANOL            25                 M     6UNIRO
3.87E+4*  TOLUENE             25                 M     6UNIRO

Henrys law (Pa m3/mol):
2.99E-5*                                         M     6UNIRO
2.90E-5                                          M     7SCHER

Octanol/water partitioning (log Kow):
2.17*                         25                 M     6UNIRO

Acid dissociation (pKa):
<0.5*                         25                 M     6UNIRO



Soil sorption:
soiltype        temp.   Kd      Koc      %om   pH     reference
SANDY LOAM       RT     1.10    100      1.89  5.5    6UNIRO
                                260                   EESADV
                                9                     JAFCAU 29:1050-1059,1981
                                123*

Field Dissipation halflife(days):
value             test area        pH         source  reference
6*
7                                                P    8EPAHO
3-7                                              M    7SCHER

Halflife in soil:
Soiltype          aerobic      anaerobic      source  reference
SANDY LOAM         1.0*         147              M    6UNIRO


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