ARS PESTICIDE PROPERTIES last update May 1995


name:PROPANIL                                  CASRN: 709-98-8

molecular formula: C9H9CL2NO
molecular weight : 218.08
physical state   : S
(L=liquid; G=gas; S=solid)
reference: 9ACHB2

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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.
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-value-            -medium-   -temp-  -pH-   -source-    -reference-


Boiling point(deg C):
       -

Melting point(deg C):
92     -     93                                  H     9ACHB2

Decomposition point(deg C):
       -

Heat of vaporization(deg C):

--RATE CONSTANTS--

Hydrolysis (per day):
STABLE                           25    5,7,9     M     6ROHMH

Photolysis (per day):
0.0067               WATER                       M     6ROHMH

Vapor pressure (mPa):
12                               60              H     9ACHB2
0.121                            25              M     6ROHMH

Water solubility (ppm):     -temp-          -source-  -reference-
130                           25                 H     9PME10
152*                          25                 M     6ROHMH

Organic solubility (ppm):
5.4E05*   ETHANOL             25                 H     9PMED8
6E05*     TRIME-CYCLOHEXANE   25                 H     9PMED8

Henrys law (Pa m3/mol):
1.74E-4*                      25                 M     6ROHMH

Octanol/water partitioning (log Kow):
2.29                                             M     6ROHMH

Acid dissociation (pKa):


Soil sorption:
soiltype      temp.   Kd     Koc   %om   pH  source   reference
                             188                 R    8EETNS
                             316                 C    8CREAM
                             220                 R    EESADV
                             490(239-800)        M    6ROHMH
                             400*

Field Dissipation halflife(days):
value         test area        pH   %OM      source   reference
1*                                               H    9ACHB2 1983 ED.
15                                               R    8FULLE
1.4           AQUATIC                            M    6ROHMH

Halflife in soil:
Soiltype          aerobic      anaerobic     source   reference
                  0.5(soil)    2-4(aquatic)

Comments: