ARS PESTICIDE PROPERTIES last update May 1995


name:EPTC                                      CASRN: 759-94-4

molecular formula: C9H19NOS
molecular weight : 189.32
physical state   : L
(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):
127    -             20mmHg                       H    9ACHB2

Melting point(deg C):
       -

Decomposition point(deg C):
       -    200                                   H    9PMED8

Heat of vaporization(deg C):

--RATE CONSTANTS--

Hydrolysis (per day):
STABLE*                          25              M     8ICIAG,03/01/90

Photolysis (per day):
STABLE*              SOIL        NR              M     8ICIAG,03/01/90

Vapor pressure (mPa):
4500                             25              H     9HERBH
3200*                            25              M     8ICIAG


Water solubility (ppm):     -temp-          -source-   -reference-
370                           20                 H     9HERBH
                                                 M     8ICIAG
375*                          25                 H     9ACHB2 1983 ED.
344                                              M     8ICIAG

Organic solubility (ppm):
MISCIBLE* ACETONE,ETHANOL      24                H     9PMED8
MISCIBLE* KEROSENE,XYLENE      24                H     9PMED8
MISCIBLE* 4-METHYLPENTAN-2-ONE 24                H     9PMED8

Henrys law (Pa m3/mol):
1.62*                          25                M     8ICIAG

Octanol/water partitioning (log Kow):
3.3*

Acid dissociation (pKa):


Soil sorption:
soiltype        temp.   Kd       Koc     %om   pH     reference
                                 280                  JEFQAA 16:422-428,1987
                                 240                  EESADV
                                 170                  EESADV
                                 200                  8ICIAG
                                 223*

Field Dissipation halflife(days):
value           test area        pH        source     reference
30                                            E       JEVQAA 16:422-428,1987
7                                             H       9HERBH
                                              R       8KAUGW
28-32                                         C       8CREAM
6                                             M       8ICIAG
18(6-32)*

Halflife in soil:
Soiltype           aerobic      anaerobic   source    reference

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