ARS PESTICIDE PROPERTIES DATABASE last updated May 1995 name: PROFLURALIN CASRN: 26399-36-0 molecular formula: C14H16F3O4 molecular weight: 347.3 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): 32 - 33 H 9PMED8 Decomposition point (deg C): Heat of vaporization (deg C): --RATE CONSTANTS-- Hydrolysis (per day): 2.7 100 3,7,10 H 9PMED8 Photolysis (per day): Vapor pressure (mPa): 8.4* 20 H 9PMED9 H 9ACHB2 1983 9.2 P 6USEPA Water solubility (ppm): 0.1 20 H 9PMED9 H 9ACHB2 1983 Organic solubility (ppm): 2.2E5 OCTAN-1-OL 20 H 9PMED8 Henrys law (Pa m3/mol): 29.2 20 H 9PMED8 Octanol/water partitioning (log Kow): Acid dissociation (pKa): Soil sorption: soiltype temp. Kd Koc %om pH reference -------- ----- -- --- --- -- --------- 8511 6GERST 12303 6GERST 8600 ESTHAG 14: 553-556 (1980) 1029 WEESA6 27: 450-455 (1979) 737 WEESA6 27: 450-455 (1979) 1586 WEESA6 27: 450-455 (1979) 1608 WEESA6 27: 450-455 (1979) 983 WEESA6 27: 450-455 (1979) 1013 WEESA6 27: 450-455 (1979) 395 WEESA6 27: 450-455 (1979) 642 WEESA6 27: 450-455 (1979) 963 WEESA6 27: 450-455 (1979) 10000* W Field dissipation halflife(days): value test area pH source reference ----- --------- -- ------ --------- 90-160 E 9HERBH 4TH ED 1979 100-120 H 9HERBH 4th ED 1979 80-120 H 9HERBH 4th ED 1979 100-120 H 9HERBH 4th ED 1979 >210 E 6PESTB 6: 229-238 (1976) 9-120 H 9HERBH 4TH ED 1979 110* Halflife in soil: soiltype aerobic anaerobic source reference -------- ------- --------- ------ --------- Comments: