ARS PESTICIDE PROPERTIES DATABASE last updated Oct 1, 2001


name: BARBAN                         CASRN: 101-27-9     


SELECTED VALUES FOR MODELING PURPOSES (from Hornsby, et al., 1996)

WATER SOLUBILITY (mg/L): 11
FIELD HALF-LIFE (days): 5
SOIL ORGANIC CARBON SORPTION (Koc, mL/g): 1000 E
VAPOR PRESSURE (mm Hg): 3.8 x 10-7


PUBLISHED AND MANUFACTURER VALUES AND SOURCES

molecular formula: C11H9CL2NO2                
molecular weight: 258.1                      
physical state: S                      
(L=liquid; G=gas; S=solid)
reference: 9PMED7

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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):
75 - 76                                    H        9PMED8

Decomposition point (deg C):
224                                        H        9PMED8

Heat of vaporization (deg C):

--RATE CONSTANTS--

Hydrolysis (per day):
1032                          25       13  H        9PMED8

Photolysis (per day):


Vapor pressure (mPa):
0.05                          25           H        9PMED7

Water solubility (ppm): 
11                            25           H        9PMED7
                                           H        9HERBH 6th ED 1989

Organic solubility (ppm):

Henrys law (Pa m3/mol):
1.17E-3                       25           H        9PMED7
 
Octanol/water partitioning (log Kow):

Acid dissociation (pKa):

Soil sorption:
soiltype         temp.    Kd     Koc    %om    pH   reference

--------         -----    --     ---    ---    --   ---------
                                 15100              JAFCAU 15: 444-450 (1964)
                                  1160              ESTHAG 14: 553-556 (1980)

Field dissipation halflife(days):
value              test area          pH    source  reference
-----              ---------          --    ------  ---------
5                                           H       9HERBH 4th ED 1979
4                                           R       6MOMAM pp. 241-303 (1982)
15                                          R       6ENVPE pp. 257-280 (1972)

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

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