ARS PESTICIDE PROPERTIES last update May 1995


name:PHOSALONE                                 CASRN: 2310-17-0

molecular formula: C12H15CLNO4PS2
molecular weight : 367.8
physical state   : S
(L=liquid; G=gas; S=solid)
reference: 9ACHB2,2ND ED.,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):
       -

Melting point(deg C):
45     -     48                                  H     9ACHB2,2ND ED.,1987

Decomposition point(deg C):
       -

Heat of vaporization(deg C):


--RATE CONSTANTS--

Hydrolysis (per day):
0.00350*                         25     5        M     9RHPOU

Photolysis (per day):
0.69*                SOIL        NR              M     9RHPOU

Vapor pressure (mPa):
<6.7E-02*                        25              M     9RHPOU


Water solubility (ppm):       -temp-         -source- -reference-
1.2                              10              E     JPFCD2,VB20(6):627,1985
3.7                              30              E     JPFCD2,VB20(6):627,1985
3.05*                            25              M     9RHPOU
10                               25              H     9ACHB2,2ND ED.,1987
2.6                              20              E     JPFCD2,VB18(2):225,1983

Organic solubility (ppm):
2.4E+05*  METHANOL               25              M     9RHPOU
1.2E+04*  HEXANE                 25              M     9RHPOU
1.0E+06*  METHYLENE CHLORIDE     25              M     9RHPOU
~1.0E+06* BENZENE                20              H     9ACHB2,2ND ED.,1987
~1.0E+06* DIOXANE                20              H     9ACHB2,2ND ED.,1987
~2.0E+05* ETHANOL                20              H     9ACHB2,2ND ED.,1987

Henrys law (Pa m3/mol):
8.03E-03*                        25              M     9RHPOU

Octanol/water partitioning (log Kow):
3.77*                            25              M     9RHPOU

Acid dissociation (pKa):


Soil sorption:
soiltype      temp.   Kd     Koc     %om   pH  source  reference
                             1200                R     EESADV, 4:30,1980
                             1200                R     EESADV
                             2500                C     8CREAM
                             1750                R     8FULLE
                             1816*

Field Dissipation halflife(days):
value             test area       pH   %OM     source  reference
28                SOIL 86-87                     M     9RHPOU
21                SOIL 76-77                     M     9RHPOU
21                SOIL 77-78                     M     9RHPOU
26(21-28)*

Halflife in soil:
Soiltype             aerobic      anaerobic    source  reference
LOAMY SAND            3-7*        3-7            M     9RHPOU


Comments: