ARS PESTICIDE PROPERTIES last update May 1995


name:IMAZAQUIN-AMMONIUM                     CASRN: 81335-47-9

molecular formula: C17H20N4O3
molecular weight : 328.37
physical state   : S
(L=liquid; G=gas; S=solid)
reference:

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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.
_________________________________________________________________________

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


Boiling point(deg C):
       -

Melting point(deg C):
219    -    224   (parent)                       H     9ACHB2

Decomposition point(deg C):
219    -    224   (parent)                       H     9HERBH,6THED,1989

Heat of vaporization(deg C):

--RATE CONSTANTS--

Hydrolysis (per day):
<0.023*
Photolysis (per day):

Vapor pressure (mPa):
0.0*                             45              H     9HERBH 6TH ED.,1989


Water solubility (ppm):     -temp-           -source- -reference-
60-120 (parent)               25                 H     9ACHB2
600    (parent)                                  H     9HERBH 6TH ED.,1989
160,000*                                         C     8CREAM

Organic solubility (ppm):

Henrys law (Pa m3/mol):

Octanol/water partitioning (log Kow):
0.342* (parent)                                  H    9PME10

Acid dissociation (pKa):
3.8* (parent)                                    E    WEESA6, 36:786(1988)


Soil sorption:
soiltype        temp.   Kd       Koc       %om   pH   reference
                                 20(EST.)*       7    W


Field Dissipation halflife(days):
value           test area        pH           source  reference
90*                                              H    9HERBH 6TH ED.,1989


Halflife in soil:
Soiltype               aerobic      anaerobic   source    reference


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