ARS PESTICIDE PROPERTIES last update May 1995


name:QUINTOZENE                                CASRN: 82-68-8

molecular formula: C6CL5NO2
molecular weight : 295.34
physical state   : S
(L=liquid; G=gas; S=solid)
reference:

_________________________________________________________________________
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):
328    -                                         M    6UNIRO

Melting point(deg C):
142    -    145                                  M    6UNIRO

Decomposition point(deg C):
       -

Heat of vaporization(deg C):

--RATE CONSTANTS--

Hydrolysis (per day):
3.9E-3*                          25     5,7,     M     6UNIRO

Photolysis (per day):
1.24*                WATER       25     5        M     6UNIRO
0.049*               SOIL        25              M     6UNIRO

Vapor pressure (mPa):
12.6*                            25              M     6UNIRO
6.6                                              H     9ACHB2 1983 ED.
15                               25              R     7ANALY


Water solubility (ppm):     -temp-          -source-   -reference-
0.1*                                             M     6UNIRO
0.44                          20                 H     9ACHB2 1983 ED.

Organic solubility (ppm):
2E+4*     METHANOL                               M     6UNIRO
1.14E+6*  TOLUENE                                M     6UNIRO
3E+4*     HEPTANE                                M     6UNIRO

Henrys law (Pa m3/mol):
37*                                              M     6UNIRO

Octanol/water partitioning (log Kow):
5.5*                                             M     6UNIRO

Acid dissociation (pKa):


Soil sorption:
soiltype        temp.   Kd      Koc      %om   pH    reference
SILT LOAM        25     24      5160     0.8   7.5   6UNIRO
SANDY LOAM       25     46      4945     1.6   6.2   6UNIRO
SAND             25     31      2539     2.1   6.5   6UNIRO
                                350                  JAFCAU 29:1050-1059,1981
CLAY LOAM        25     89      5888    2.6   7.5    6UNIRO
                                4600*

Field Dissipation halflife(days):
value           test area        pH          source     reference
190               GA                            M       6UNIRO
116               GA                            M       6UNIRO
128               CA (BROCCOLI)                 M       6UNIRO
35                CA (TURF)                     M       6UNIRO
21                                              C       8GLEAM
98(21-190)*

Halflife in soil:
Soiltype             aerobic      anaerobic   source    reference
SANDY LOAM             60*           15*         M      6UNIRO


Comments:
SOIL SORPTION KOC VALUE=4600(2500-5900)