ARS PESTICIDE PROPERTIES DATABASE last updated May 1995 name: MEXACARBATE CASRN: 315-18-4 molecular formula: C12H18N2O2 molecular weight: 222 physical state: S (L=liquid; G=gas; S=solid) reference: 9ACHB2 1983 __________________________________________________________________________ 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): 85 H 9ACHB2 Decomposition point (deg C): Heat of vaporization (deg C): --RATE CONSTANTS-- Hydrolysis (per day): Photolysis (per day): Vapor pressure (mPa): 1.33E4 H 9FACHB 1990 Water solubility (ppm): 1000* 25 H 9ACHB2 1983 100 25 H 9FACHB 1990 Organic solubility (ppm): 5.1E4 XYLENE 25 H 9ACHB2 1989 1.02E5 BENZENE 25 H 9ACHB2 1989 1.16E5 ETHANOL 25 H 9ACHB2 1989 1.38E5 ACETONE 25 H 9ACHB2 1989 Henrys law (Pa m3/mol): 2.95E-4 H 9ACHB2 1989 H 9FACHB 1990 Octanol/water partitioning (log Kow): Acid dissociation (pKa): Soil sorption: soiltype temp. Kd Koc %om pH reference -------- ----- -- --- --- -- --------- 300 Field dissipation halflife(days): value test area pH source reference ----- --------- -- ------ --------- 1-4 H 9ACHB2 1983 10* W Halflife in soil: soiltype aerobic anaerobic source reference -------- ------- --------- ------ --------- Comments: