ARS PESTICIDE PROPERTIES DATABASE last updated May 1995 name: FENITROTHION CASRN: 122-14-5 molecular formula: C9H12NO5PS molecular weight: 277.2 physical state: L (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): 140 - 145 AT 0.1 MM HG H 9PME10 Melting point (deg C): 3.4 H 9PME10 Decomposition point (deg C): >145 H 9PME10 Heat of vaporization (deg C): --RATE CONSTANTS-- Hydrolysis (per day): 0.006 22 4 H 9PME10 0.008 22 7 H 9PME10 0.009 22 9 H 9PME10 Photolysis (per day): Vapor pressure (mPa): 18.6 20 H 9PMED9 H ESTHAG 15: 1006-1014 (1981) Water solubility (ppm): 21* 20 H 9PME10 30 H 6DEGRA C 8GLEAM 25.4 E SSSJD4 41:514-8(1977) Organic solubility (ppm): 2.4E4 HEXANE 20 H 9PME10 1.38E5 ISOPROPANOL 20 H 9PME10 Henrys law (Pa m3/mol): 0.246 20 H 9PME10 Octanol/water partitioning (log Kow): 3.43 20 H 9PME10 Acid dissociation (pKa): Soil sorption: soiltype temp. Kd Koc %om pH reference -------- ----- -- --- --- -- --------- 2000 8GLEAM 7150* RREVAH 103: 1-59 (1988) 6PRZMO Field dissipation halflife(days): value test area pH source reference ----- --------- -- ------ --------- 12-28 H 9PME10 12-28 R 6RPPRE 12: 1-10 (1979) 4-20 R 6RPPRE 12: 1-10 (1979) 14 E PSSCBG 12: 37-44 (1981) 42 H 9PME10 18* Halflife in soil: soiltype aerobic anaerobic source reference -------- ------- --------- ------ --------- Comments: