ARS PESTICIDE PROPERTIES last update May 1995


name:PROPICONAZOLE                             CASRN: 60207-90-1

molecular formula: C15H17CL2N3O2
molecular weight : 342.2
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):
180    -             0.1 mmHg                     H    9ACHB2

Melting point(deg C):
       -

Decomposition point(deg C):
       -    320                                   H    9PME10

Heat of vaporization(deg C):


--RATE CONSTANTS--

Hydrolysis (per day):
STABLE*                          70     5-9      M     9CIBAG

Photolysis (per day):
0.005*               SOIL        25              M     9CIBAG
0.0028*              WATER       25     7        M     9CIBAG

Vapor pressure (mPa):
0.056*                           25              M     9CIBAG


Water solubility (ppm):        -temp-       -source-   -reference-
110                              20              H     9ACHB2 1983 ED.
                                                 H     9FACHB 1990
100*                             22              M     9C1BAG

Organic solubility (ppm):
MISCIBLE*   ACETONE,METHANOL     20              H     9PMED8
MISCIBLE*   PROPAN-2-OL          20              H     9PMED8
6E04*       HEXANE               20              H     9PMED8

Henrys law (Pa m3/mol):
1.92E-4*                         25              M     9CIBAG

Octanol/water partitioning (log Kow):
2.8*                             25              M     9CIBAG

Acid dissociation (pKa):
1.09                                             H     9PME10

Soil sorption:
soiltype      temp.    Kd    Koc   %om   pH   source   reference
SAND                   1.2   685   0.3           M     9CIBAG
SILT LOAM              2.81  436   1.1           M     9CIBAG
SANDY LOAM             4.49  382   2.0           M     9CIBAG
SILTY CLAY LOAM        8.88  604   2.5           M     9CIBAG
SILTY CLAY LOAM        9.34  1134  1.4           M     9CIBAG
                             648*

Field Dissipation halflife(days):
value           test area        pH           source   reference
109         NC BARE, SNDY LOAM                   M     9CIBAG
117         CA BARE, SNDY LOAM                   M     9CIBAG
123         NY BARE, SILT LOAM                   M     9CIBAG
111         IL BARE, SILT LOAM                   M     9CIBAG
115(109-123)*

Halflife in soil:
Soiltype          aerobic      anaerobic      source   reference
                   53*          >84              M     9CIBAG


Comments:
AEROBIC=53(43-70)- 3 STUDIES