ARS PESTICIDE PROPERTIES last update May 1995


name:PROPARGITE                                CASRN: 2312-35-8

molecular formula: C19H26O4S
molecular weight : 350.5
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):
       -

Melting point(deg C):
       -

Decomposition point(deg C):
       -    200    2.7mmHg                       M     6UNIRO

Heat of vaporization(deg C):

--RATE CONSTANTS--

Hydrolysis (per day):
5.7E-03*                         25     5        M     6UNIRO
8.9E-03*                         25     7        M     6UNIRO
2.3E-01*                         25     9        M     6UNIRO

Photolysis (per day):
7.6E-3*              SOIL        25              M     6UNIRO
2.2E-4*              WATER       25              M     6UNIRO

Vapor pressure (mPa):
5.97E-03                         25              M     6UNIRO
0.006*


Water solubility (ppm):        -temp-        -source-  -reference-
0.6*                             25              M     6UNIRO
ca0.5                            25              H     9ACHB2
635                              25              H     9PME10

Organic solubility (ppm):
Miscible most org. solv.                         H     9PME10


Henrys law (Pa m3/mol):
3.5E-03*                         25              M     6UNIRO


Octanol/water partitioning (log Kow):
3.73*                                            M     6UNIRO
                                                 H     9PME10

Acid dissociation (pKa):
>12*                                             M     6UNIRO


Soil sorption:
soiltype        temp.   Kd      Koc     %om    pH     reference
SANDY LOAM       25     11      6322    0.30   7.7    6UNIRO
SANDY CLAY       25     55      5578    1.70   6.9    6UNIRO
SANDY CLAY       25     266     8553    5.36   6.3    6UNIRO
SAND             25     41      7854    0.9    6.5    6UNIRO
LOAM             25     65      9338    1.2    7.6    6UNIRO
SANDY LOAM       25     54      18619   0.5    6.5    6UNIRO
                              41,000(5290-90,000)*    6UNIRO

Field Dissipation halflife(days):
value             test area        pH       source    reference
50                GA (COTTON)                 M       6UNIRO
94                CA(COTTON)                  M       6UNIRO
67                FL (CITRUS)                 M       6UNIRO
78                CA (BARE GRND)              M       6UNIRO
99                CA (BARE GRND)              M       6UNIRO
87                CA (CITRUS)                 M       6UNIRO
56                                            R       8FULLE
84(50-99)*

Halflife in soil:
Soiltype           aerobic      anaerobic   source    reference
                     40*           64*        M       6UNIRO


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