ARS PESTICIDE PROPERTIES last update May 1995
name:ESFENVALERATE CASRN: 66230-04-4
molecular formula: C25H22CLNO3
molecular weight : 419.9
physical state : L
(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):
151 - 167 (tech) H 9ACHB2
Melting point(deg C):
59.0 - 60.2 H 9PME10
Decomposition point(deg C):
-
Heat of vaporization(deg C):
--RATE CONSTANTS--
Hydrolysis (per day):
STABLE* 25 5,7,9 M 9DUPON
Photolysis (per day):
STABLE* SOIL 25 6 M 9DUPON
<0.023* WATER 25 5 M 9DUPON
Vapor pressure (mPa):
2.0E-4* 25 M 9DUPON
Water solubility (ppm): -temp- -source- -reference-
2.0E-4 25 M 9DUPON,1999
Organic solubility (ppm):
Henrys law (Pa m3/mol):
4.2E-2* 25 M 9DUPON
Octanol/water partitioning (log Kow):
>4.0* 25 M 9DUPON
Acid dissociation (pKa):
Soil sorption:
soiltype temp. Kd Koc %om pH source reference
SAND(CA) 25 4.4 1990 0.38 M 9DUPON
SANDY LM(CA) 25 6.4 1000 1.1 7.3 M 9DUPON
SILTY LM(IA) 25 71 6100 2.0 5.3 M 9DUPON
CLAY LM(GA) 25 105 12,000 1.5 6.4 M 9DUPON
5273*
Field Dissipation halflife(days):
value test area pH %OM source reference
35 9DUPON
42(22-75)*
32 OKLAHOMA 7 1.5 M 9DUPON
75 LOUISIANA 5.9 0.8 M 9DUPON
<30 ALABAMA 7.9 2.0 M 9DUPON,1999
<30 ARIZONA 8.5 0.1 M 9DUPON,1999
<30 TEXAS 8.1 2.0 M 9DUPON,1999
14 CALIFORNIA 8.2 0.8 M 9DUPON,1999
Halflife in soil:
Soiltype aerobic anaerobic source reference
SILT LM(AR) 74 M 9DUPON,1999
SANDY LOAM(CA) 77 M 9DUPON,1999
Comments:
SOIL SORPTION KOC =5273(1000-12000); AEROBIC 108=PH5.7 @25C.
HALFLIFE IN SOIL (AEROBIC) pH5.7, 25 degrees C, 1.3%om
Koc VALUES ARE FOR 0.2% BRTHO X-77 & FENVALENATE AS THE TEST SUBSTANCE