ARS PESTICIDE PROPERTIES last update May 1995 name:CYFLUTHRIN CASRN: 68359-37-5 molecular formula: C22H18CL2FNO3 molecular weight : 434.3 physical state : S (L=liquid; G=gas; S=solid) reference: 9MILES _________________________________________________________________________ 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): 60 - H 9PMED8 8TH ED.,p.205,1987 Decomposition point(deg C): - Heat of vaporization(deg C): --RATE CONSTANTS-- Hydrolysis (per day): 0.003* 25 7 M 6MILES STABLE* 25 5 M 6MILES >0.35* 25 9 M 6MILES Photolysis (per day): 0.0566* WATER 28 ID M 6MILES 0.347* SOIL 28 ID M 6MILES 0.043* SOIL 28 ID M 6MILES Vapor pressure (mPa): 0.0044* 20 M 6MILES Water solubility (ppm): -temp- -source- -reference- 2.0E-2* 20 M 6MILES 2.0E-3 20 H 9ACHB2 Organic solubility (ppm): 2.0E+3 2-PROPANOL LOW 20 M 6MILES 2.6E+4* 2-PROPANOL 20 M 6MILES >1.0E+6* DICHLOROMETHANE 20 M 6MILES 1.0E+5* TOLUENE 20 M 6MILES 1.0E+6 TOLUENE HIGH 20 M 6MILES Henrys law (Pa m3/mol): 9.6E-2 20 M 6MILES Octanol/water partitioning (log Kow): 5.91 20 M 6MILES 6.00 20 M 6MILES 5.95* 20 Acid dissociation (pKa): Soil sorption: soiltype temp. Kd Koc %om pH reference 3700 CMSHAF 10:833-845,1981 SANDY LOAM 22 810 64125 2.4 5.1 6MILES 31000* Field Dissipation halflife(days): value test area pH source reference 90 SOIL AZ M 6MILES 7 SOIL OR 7-83 M 6MILES 9 SOIL KS 7-83 M 6MILES 7 SOIL KS 7-83 M 6MILES 16 SOIL FL 9-83 M 6MILES 3.9 CA(FRESNO)LMY SND 7.8 M 6MILES 22(4-90)* Halflife in soil: Soiltype aerobic anaerobic source reference LOAM 56 M 6MILES SANDY LOAM 63 M 6MILES 60* Comments: SELECTED KOC VALUE=31000(3700-58050)