ARS PESTICIDE PROPERTIES DATABASE last updated May 1995

name: EPN                            CASRN: 2104-64-5    

molecular formula: C14H14NO4PS                
molecular weight: 323.3                      
physical state: S 
(L=liquid; G=gas; S=solid)                                         
reference: 9ACHB2 1983

__________________________________________________________________________
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):
215 AT 5 MM HG                               H      9PME10

Melting point (deg C):
34.5                                         H      9PME10

Decomposition point (deg C):

Heat of vaporization (deg C):

--RATE CONSTANTS--

Hydrolysis (per day):

Photolysis (per day):

Vapor pressure (mPa):
0.126                                        H      9ACHB2 1983
0.041*                                       H      9PME10

Water solubility (ppm): 
0.5                                          C      8GLEAM

Organic solubility (ppm):
MISCIBLE WITH MANY ORGANIC SOLVS.            H      6MONTG

Henrys law (Pa m3/mol):
0.027                                        H      9PME10
                                             C      8GLEAM

Octanol/water partitioning (log Kow):
3.85, 5.07*                                  H      6MONTG
>5.02                                        H      9PME10

Acid dissociation (pKa):
                                                          

Soil sorption:
soiltype         temp.    Kd     Koc    %om    pH   reference
--------         -----    --     ---    ---    --   ---------
                                 13000              8GLEAM
                                 1327               ETOCDK 8: 477-484 (1989)
                                 4000*              W           

Field dissipation halflife(days):
value              test area          pH    source  reference
-----              ---------          --    ------  ---------
5                                            C      8GLEAM
14-30                                        E      JAFCAU 30: 155-161 (1982)
15-30                                        H      9ACHB2 1983
28-56                                        P      6EPAPF vol. I
15*                                          W

Halflife in soil:
soiltype           aerobic  anaerobic       source  reference
--------           -------  ---------       ------  ---------

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