ARS PESTICIDE PROPERTIES last update May 1995


name:CYHALOTHRIN                               CASRN: 91465-08-6

molecular formula: C23H19CLF3NO3
molecular weight : 449.9
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):
187    -    190      0.2 mmHg                    H     9PME10

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

Decomposition point(deg C):
       -    275

Heat of vaporization(deg C):

--RATE CONSTANTS--

Hydrolysis (per day):
SLOW                             NR     7-9      M     8ICIAG

Photolysis (per day):

Vapor pressure (mPa):
.0002*                           20              H     9ACHB2
                                                 M     8ICIAG

Water solubility (ppm):     -temp-          -source-   -reference-
0.005*                                           M     8ICIAG
.003                          20                 H     9ACHB2 7TH ED.,1977

Organic solubility (ppm):
>5E+5*    ACETONE,ETH
>5E+5*    ACETONE                                H     9PMED8
>5E+5*    DICHLOROMETHANE                        H     9PMED8
>5E+5*    DIETHYL ETHER                          H     9PMED8
>5E+5*    ETHYL ACETATE                          H     9PMED8
>5E+5*    HEXANE                                 H     9PMED8
>5E+5*    METHANOL                               H     9PMED8
>5E+5*    TOLUENE                                H     9PMED8

Henrys law (Pa m3/mol):
0.018*                                           M     8ICIAG
Octanol/water partitioning (log Kow):
7*                               20              M     8ICIAG 

Acid dissociation (pKa):
>9*                                              M     8ICIAG


Soil sorption:
soiltype      temp.   Kd    Koc    %om   pH  source   reference
                            1.8E05*             M     8ICIAG


Field Dissipation halflife(days):
value           test area        pH   %om    source   reference
30                                              M     8ICIAG
28-84                                           H     9ACHB2
43(30-84)*


Halflife in soil:
Soiltype           aerobic      anaerobic   source    reference

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