ARS PESTICIDE PROPERTIES last update May 1995


name:CHLORAMBEN                                CASRN: 133-90-4

molecular formula: C7H5CL2NO2
molecular weight : 206.03
physical state   : S
(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):
       -

Melting point(deg C):
200    -    201                                  H      9ACHB2

Decomposition point(deg C):
       -

Heat of vaporization(deg C):


--RATE CONSTANTS--
Hydrolysis (per day):
STABLE                           25     5-9      M     9RHPOU

Photolysis (per day):
SENSITIVE              SOIL                      H     9PME10

Vapor pressure (mPa):
930                             100              H     9ACHB2 1983 ED.




Water solubility (ppm):       -temp-         -source-  -reference-
700*                            25               H     9ACHB2 1983 ED.
                                                 E     ETOCDK 8:339-357,1989
                                               

Organic solubility (ppm):

Henrys law (Pa m3/mol):

Octanol/water partitioning (log Kow):

Acid dissociation (pKa):
3.40*                                           R          ADCSAJ 111:55-120,197
2


Soil sorption:
soiltype        temp.   Kd      Koc      %om   pH     reference
                                 7                    8CREAM
                                 507                  EESADV
                                 310                  EESADV
                                 12.8                 9HFEDP
                                 120                  EESADV
                                 15                   EESADV
                                 21*                  8SWAMD
                                 13(SALT)             8SWAMD

Field Dissipation halflife(days):
value             test area        pH          source     reference
14*
14-21                                            H         9HERBH
                                                 H         9ACHB2 1983 ED.
25-30                                            R         8KAUGW

Halflife in soil:
Soiltype               aerobic      anaerobic   source    reference

Comments: