ARS PESTICIDE PROPERTIES DATABASE last updated May 1995 name: BENALAXYL CASRN: 71626-11-4 molecular formula: C20H23NO3 molecular weight: 325.4 physical state: S (L=liquid; G=gas; S=solid) reference: 9PMED9 __________________________________________________________________________ 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): 78 - 80 H 9PME10 Decomposition point (deg C): Heat of vaporization (deg C): --RATE CONSTANTS-- Hydrolysis (per day): STABLE 4-9 H 9PME10 0.008 9 H 9PME10 Photolysis (per day): Vapor pressure (mPa): 0.67 25 H 9PMED9 Water solubility (ppm): 37 25 H 9PMED9 H 9ACHB2 1983 Organic solubility (ppm): >5E5 ACETONE 25 H 9PME10 >5E5 CHLOROFORM 25 H 9PME10 >5E5 DICHLOROMETHANE 25 H 9PME10 >5E5 DIMETHYLFORMAMIDE 25 H 9PME10 >4E5 CYCLOHEXANONE 25 H 9PME10 >3E5 XYLENE 25 H 9PME10 >5E4 HEXANE 25 H 9PME10 Henrys law (Pa m3/mol): 5.89E-3 25 H 9PME10 Octanol/water partitioning (log Kow): Acid dissociation (pKa): Soil sorption: soiltype temp. Kd Koc %om pH reference -------- ----- -- --- --- -- --------- 2009 9PMED9 500 9PMED9 2728 9PME10 7173 9PME10 3460* Field dissipation halflife(days): value test area pH source reference ----- --------- -- ------ --------- ca.30 R 6RENCT 99: 83-117 (1987) ca.20-100 H 9ACHB2 1983 20-71 H 9PME10 50* Halflife in soil: soiltype aerobic anaerobic source reference -------- ------- --------- ------ --------- Comments: