ARS PESTICIDE PROPERTIES DATABASE last updated May 1995 name: PROCYMIDONE CASRN: 32809-16-8 molecular formula: C13H11CL2NO2 molecular weight: 284.1 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): 166 - 166.5 H 9PME10 Decomposition point (deg C): Heat of vaporization (deg C): --RATE CONSTANTS-- Hydrolysis (per day): Photolysis (per day): STABLE H 9PME10 Vapor pressure (mPa): 18* 25 H 9PME10 10.5 20 H 9PME10 Water solubility (ppm): 4.5 25 H 9PMED9 H 9ACHB2 1983 Organic solubility (ppm): 1.8E5 ACETONE 25 H 9PME10 4.3E4 XYLENE 25 H 9PME10 2.1E5 CHLOROFORM 25 H 9PME10 2.3E5 DIMETHYLFORMAMIDE 25 H 9PME10 1.6E4 METHANOL 25 H 9PME10 Henrys law (Pa m3/mol): 20.46 25 H 9PME10 Octanol/water partitioning (log Kow): 3.14 26 H 9PME10 Acid dissociation (pKa): Soil sorption: soiltype temp. Kd Koc %om pH reference -------- ----- -- --- --- -- --------- 1945 9PMED9 CMSHAF 10: 833-846 (1981) 1500* W Field dissipation halflife(days): value test area pH source reference ----- --------- -- ------ --------- 7-21 H 9ACHB2 1983 120 R 6RENCT 99: 83-117 (1987) 15* Halflife in soil: soiltype aerobic anaerobic source reference -------- ------- --------- ------ --------- Comments: