ARS PESTICIDE PROPERTIES last update May 1995


name:PROPAMOCARB HCL                           CASRN: 25606-41-1

molecular formula: C9H21CLN2O2
molecular weight : 224.7
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):
45     -   64.2                                  H     9ACHB2

Decomposition point(deg C):
       -

Heat of vaporization(deg C):

--RATE CONSTANTS--

Hydrolysis (per day):
1.51E-08*                       25     7        M     6NORAM

Photolysis (per day):
0.0196*              SOIL       <30             M     6NORAM
4.16*                AIR        (PARENT)        M     6NORAM
STABLE*              WATER                      M     6NORAM

Vapor pressure (mPa):
0.8                             25              M     6NORAM


Water solubility (ppm):       -temp-       -source-  -reference-
1E06*                           20              M     7SCHER
>7E05                           25              H     9ACHB2 7TH ED.,1977
>5E05                                           H     9ACHB2

Organic solubility (mg/L):
>4.3E5       DICHLOROMETHANE    25              H     9PME10
2.3E4        ETHYL ACETATE      25              H     9PME10
>100         HEXANE             25              H     9PME10
>7E5         METHANOL           25              H     9PME10
<100         TOLUENE            25              H     9PME10

Henrys law (Pa m3/mol):
1.8E-07*                                        M     6NORAM

Octanol/water partitioning (log Kow):
-2.6*(pH4.1)                                    H     9PME10

Acid dissociation (pKa):
9.29*                                           H     9PME10


Soil sorption:
soiltype      temp.   Kd    Koc    %om   pH   source  reference
                            309*         5.2-6  M     6NORAM

Field Dissipation halflife(days):
value           test area        pH    %OM    source  reference
30                                              M     7SCHER
1-38                                            M     6NORAM

Halflife in soil:
Soiltype        aerobic      anaerobic        source  reference
                  12*                           M     6NORAM


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