ARS PESTICIDE PROPERTIES DATABASE last updated May 1995

name: TOLCLOFOS-METHYL               CASRN: 57018-04-9   

molecular formula: C9H11CL2O3PS               
molecular weight: 301.1                      
physical state: S                      
(L=liquid; G=gas; S=solid)
reference: 9PME10

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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.
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value              medium     temp.    pH  source   reference
-----              ------     -----    --  ------   ---------

Boiling point (deg C):

Melting point (deg C):
78 - 80                                      H      9PME10

Decomposition point (deg C):

Heat of vaporization (deg C):

--RATE CONSTANTS--

Hydrolysis (per day):

Photolysis (per day):

Vapor pressure (mPa):
53                              20           H      9PMED9
57*                             20           P      6USEPA
                                             H      9PME10

Water solubility (ppm): 
0.3-0.4                         23           H      9PMED9
                                             H      9ACHB2 1983
1.10*                           25           H      9PME10

Organic solubility (ppm):
3.8E4       HEXANE                           H      9PME10              
3.6E5       XYLENE                           H      9PME10
5.9E4       METHANOL                         H      9PME10

Henrys law (Pa m3/mol):
15.6                                         H      9PME10

Octanol/water partitioning (log Kow):
4.56                            25           H      9PME10

Acid dissociation (pKa):
                                                          

Soil sorption:
soiltype         temp.    Kd     Koc    %om    pH   reference
--------         -----    --     ---    ---    --   ---------
                                 761-               6USEPA
                                  1540              
                                 5000*              W            

Field dissipation halflife(days):
value              test area          pH    source  reference
-----              ---------          --    ------  ---------
26,30                                        P      6USEPA
<1                                           H      9ACHB2 1983
30*                                          W

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

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