ARS PESTICIDE PROPERTIES DATABASE last updated May 1995 name: FENPROPATHRIN CASRN: 64257-84-7 molecular formula: C22H23NO3 molecular weight: 349.41 physical state: S (L=liquid; G=gas; S=solid) reference: 9PME10 __________________________________________________________________________ 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): 45 - 50 H 9PME10 Decomposition point (deg C): Heat of vaporization (deg C): --RATE CONSTANTS-- Hydrolysis (per day): Photolysis (per day): 0.037 WATER H 9PME10 Vapor pressure (mPa): 1.3 P 6USEPA 1.3 20 H 9ACHB2 1983 0.730* 20 H 9PME10 Water solubility (ppm): 0.014* 25 H 9PME10 0.33 25 H 9ACHB2 1983 H 9PMED9 Organic solubility (ppm): 1.00E6 XYLENE 25 H 9PME10 1.00E6 CYCLOHEXANONE 25 H 9PME10 3.37E5 METHANOL 25 H 9PME10 Henrys law (Pa m3/mol): 18.22 H 9PME10 Octanol/water partitioning (log Kow): 6.00 20 H 9PME10 Acid dissociation (pKa): Soil sorption: soiltype temp. Kd Koc %om pH reference -------- ----- -- --- --- -- --------- 3.4E5 6USEPA 5000* W Field dissipation halflife(days): value test area pH source reference ----- --------- -- ------ --------- 8 NY P 6USEPA 14 CA P 6USEPA 144 WA P 6USEPA 1-5 H 9PME10 Halflife in soil: soiltype aerobic anaerobic source reference -------- ------- --------- ------ --------- Comments: