ARS PESTICIDE PROPERTIES last update May 1995


name:TRIMETHACARB                              CASRN: 2686-99-9

molecular formula: C11H15NO2
molecular weight : 193.2
physical state   : S
(L=liquid; G=gas; S=solid)
reference: 9ACHB2

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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):
105    -    114                                 H    9ACHB2

Decomposition point(deg C):
       -

Heat of vaporization(deg C):


--RATE CONSTANTS--

Hydrolysis (per day):

Photolysis (per day):

Vapor pressure (mPa):
6.7*                            23              H     9FACHB
6.8                             25              H     9ACHB2



Water solubility (ppm):       -temp-        -source- -reference-
58*                             23              H     9ACHB2
                                                H     9FACHB 1990

Organic solubility (ppm):

Henrys law (Pa m3/mol):
2.23E-02*                       23              H     9ACHB2

Octanol/water partitioning (log Kow):

Acid dissociation (pKa):



Soil sorption:
soiltype        temp.   Kd      Koc      %om   pH     reference
                                356                   CMSHAF 10:833-845,1981

Field Dissipation halflife(days):
value           test area        pH          source   reference
ca60                                           H      9ACHB2
20*

Halflife in soil:
Soiltype              erobic     anaerobic   source   reference

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