ARS PESTICIDE PROPERTIES last update May 1995


name:PROFENOFOS                                CASRN: 41198-08-7

molecular formula: C11H15BrCLPSO3
molecular weight : 373.64
physical state   : L
(L=liquid; G=gas; S=solid)
reference: 9PMED8,8TH ED.,P.694,1987

_________________________________________________________________________
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):
110    -           0.001mmHg                    H    9PMED8,8TH ED.,p.694,1987

Melting point(deg C):
       -

Decomposition point(deg C):
       -

Heat of vaporization(deg C):

--RATE CONSTANTS--

Hydrolysis (per day):
0.00666*                        25     5        M     9CIBAG
0.0289*                         25     7        M     9CIBAG
2.03*                           25     9        M     9CIBAG

Photolysis (per day):
0.193*               SOIL***    25              M     9CIBAG
0.0092               WATER***   25     5        M     9CIBAG

Vapor pressure (mPa):
2.53*                           25              M     9CIBAG
1.3                             20              H     9ACHB2,2ND ED.,1987


Water solubility (ppm):       -temp-         -source- -reference-
20                              20              H     9ACHB2,2ND ED.,1987
28*                             22              M     9CIBAG

Organic solubility (ppm):
MISCIBLE  MOST ORG. SOLV.*

Henrys law (Pa m3/mol):
0.034                           25              M     9CIBAG


Octanol/water partitioning (log Kow):
1.7                             25              U     9CIBAG


Acid dissociation (pKa):


Soil sorption:
soiltype        temp.   Kd       Koc     %om   pH     reference
                                 840                  EESADV
                                 2000                 9CIBAG
SAND                    04.598   879     0.9   6.5    9CIBAG
SANDY LOAM              015.8    1003    2.71  7.7    9CIBAG
SANDY LOAM              016.96   2431    1.2   7.6    9CIBAG
                                 2016*

Field Dissipation halflife(days):
value           test area        pH         source     reference
6.3             MN CROP                        M       9CIBAG
13              GA CROP                        M       9CIBAG
8               CA BARE                        M       9CIBAG
9(6.3-13)*

Halflife in soil:
Soiltype            aerobic      anaerobic   source    reference
                      1.9*        2.9          M       9CIBAG


Comments:
PHOTOLYSIS *** ARTIFICIAL LIGHT