ARS PESTICIDE PROPERTIES DATABASE last updated Oct 1, 2001 name:ACIFLUORFEN SODIUM SALT CASRN: 62476-59-9 SELECTED VALUES FOR MODELING PURPOSES (from Hornsby, et al., 1996) WATER SOLUBILITY (mg/L): 250000 FIELD HALF-LIFE (days): 14 SOIL ORGANIC CARBON SORPTION (Koc, mL/g): 113 E {1,2} VAPOR PRESSURE (mm Hg): 0 pKa: -- PUBLISHED AND MANUFACTURER VALUES AND SOURCES molecular formula: C14H6CLF3NNAO5 molecular weight : 383.7 physical state : S (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): - Melting point(deg C): - Decomposition point(deg C): 235 - H 9HERBH Heat of vaporization(deg C): --RATE CONSTANTS-- Hydrolysis (per day): Photolysis (per day): 0.151* SOIL H 9RHPOU Vapor pressure (mPa): <1.3E-3 H 9HERBH Water solubility (ppm): -temp- -source- -reference- >2.5EO5* 25 H 9ACHB2 H 9FACHB 1990 129 (PARENT)* H 9ACHB2 7TH ED.,1977 Organic solubility (ppm): Henrys law (Pa m3/mol): Octanol/water partitioning (log Kow): Acid dissociation (pKa): Soil sorption: soiltype temp. Kd Koc %om pH source reference 113* R 8INSFO Field Dissipation halflife(days): value test area pH source reference 31(14-60)* 30-60 H 9HERBH 38-49 P 8EPAHO 14 M 9RHPOU 21 M 9RHPOU 45 M 6ROHMH Halflife in soil: Soiltype aerobic anaerobic source reference 30* 19* 30-180 30 M 6BASF1 7 M 6BASF1 Comments: