ARS PESTICIDE PROPERTIES last update May 1995


name:PROCHLORAZ                                CASRN: 67747-09-5

molecular formula: C15H16CL3N3O2
molecular weight : 376.7
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):
46.5   -   49.3                                  H     9ACHB2

Decomposition point(deg C):
       -

Heat of vaporization(deg C):

--RATE CONSTANTS--

Hydrolysis (per day):
0.0231*                          22     5-7     M     6NORAM

Photolysis (per day):
0.0729*              WATER       25     5       M     6NORAM

Vapor pressure (mPa):
0.15*                           20              M     7SCHER


Water solubility (ppm):     -temp-         -source-  -reference-
34.4*                         25
34                            25                M     7SCHER
55                            25                H     9ACHB2
47.5                          23                H     9ACHB2 7TH ED.,1977

Organic solubility (ppm):
3.5E+6*    ACETONE            25                H     9PMED8
~2.5E+6*   CHLOROFORM         25                H     9PMED8
~2.5E+6*   DIETHYL ETHER      25                H     9PMED8
~2.5E+6*   TOLUENE            25                H     9PMED8
~2.5E+6*   XYLENE             25                H     9PMED8

Henrys law (Pa m3/mol):
1.64E-3*                                        M     7SCHER

Octanol/water partitioning (log Kow):
4.38*                                           M     6NORAM

Acid dissociation (pKa):
3.8*                          20                H     9PME10


Soil sorption:
soiltype        temp.   Kd      Koc      %om   pH     reference
                                7500*                 6NORAM

Field Dissipation halflife(days):
value           test area        pH        source     reference
120                                           M       7SCHER
14(6.5-28)*                                   M       6NORAM

Halflife in soil:
Soiltype           aerobic      anaerobic   source    reference
                   130(92-171)*               M       6NORAM


Comments: