ARS PESTICIDE PROPERTIES last update May 1995 name:METHOXYCHLOR CASRN: 72-43-5 molecular formula: C16H15CL3O2 molecular weight : 345.65 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): 89 - H 9ACHB2 Decomposition point(deg C): - Heat of vaporization(deg C): --RATE CONSTANTS-- Hydrolysis (per day): Photolysis (per day): STABLE SOIL Vapor pressure (mPa): Water solubility (ppm): -temp- -source- -reference- 0.1* 25 C 8GLEAM R 7ANALY 0.12 25 E JAFCAU 24:727-733,1976 H 9ACHB2 1983 ED. Organic solubility (ppm): 4.4E05* CHLOROFORM 22 H 9PMED8 5E04* METHANOL 22 H 9PMED8 4.4E05* XYLENE 22 H 9PMED8 Henrys law (Pa m3/mol): Octanol/water partitioning (log Kow): Acid dissociation (pKa): Soil sorption: soiltype temp. Kd Koc %om pH reference 80,000 EESADV 107,000 EESADV 22,000 7ASTMB 93,000 7ASTMB 80,000 8GLEAM 8SWAMD 76,000* Field Dissipation halflife(days): value test area pH source reference 170 C 8GLEAM 151-210 C 8CREAM 7-60 R 8FULLE 128(7-210)* Halflife in soil: Soiltype aerobic anaerobic source reference Comments: