ARS PESTICIDE PROPERTIES last update May 1995


name:PROPACHLOR                                CASRN: 1918-16-7

molecular formula: C11H14CLNO
molecular weight : 211.69
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):
110    -             0.03mmHg                     H    9ACHB2

Melting point(deg C):
77     -                                          H    9ACHB2

Decomposition point(deg C):
       -    170                                   H    9HERBH

Heat of vaporization(deg C):


--RATE CONSTANTS--

Hydrolysis (per day):

Photolysis (per day):
STABLE*               SOIL
STABLE*               WATER

Vapor pressure (mPa):
30                              20              R     9HRLCP
30                              25              H     9ACHB2 1983 ED.
30.6*                           25              H     9PME10

Water solubility (ppm):       -temp-        -source- -reference-
613*                            25              H     9PME10
                                                M     9MONSA
580                             20              R     8SOCOS
                                                H     9HERBH

Organic solubility (ppm):
4.48E05*  ACETONE               25              H     9PMED8
7.37E05*  BENZENE               25              H     9PMED8
6E05*     CHLOROFORM            25              H     9PMED8
4.08E05*  ETHANOL               25              H     9PMED8
2.39E05*  XYLENE                25              H     9PMED8

Henrys law (Pa m3/mol):
0.0106*                         25              H     9PME10

Octanol/water partitioning (log Kow):
1.62-2.30                                       H     9PME10

Acid dissociation (pKa):


Soil sorption:
soiltype        temp.   Kd      Koc      %om   pH     reference
                                 420                  SCSFAD 44:1-8,1985
                                                      JEVQAA 16:422-428,1987
                                 265                  EESADV
                                 130                  EESADV
                                 500                  8GLEAM
                                 45                   8CREAM
                                 794                  ETOCDK 8:339-357,1989
                                 263                  JPFCD2 22:55-69,1987
                                 80*                  9MONSA

Field Dissipation halflife(days):
value             test area      pH        source     reference
7-14                                          H       9HERBH
7                                             E       JEVQAA 16:422-428,1987
12                                            C       8GLEAM
4                                             E       ETOCDK 8:339-357,1989
6.3                                           M       9MONSA
8-21                                          R       8AGMAW
9(4-21)*

Halflife in soil:
Soiltype           aerobic    anaerobic     source    reference

Comments:
MELTING POINT 77 (PURE); 67-76(TECHNICAL)