ARS PESTICIDE PROPERTIES DATABASE last updated May 1995 name: DIOXACARB CASRN: 6988-21-2 molecular formula: C11H13NO4 molecular weight: 223.2 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, (E)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): 114 - 115 H 9PMED8 Decomposition point (deg C): Heat of vaporization (deg C): --RATE CONSTANTS-- Hydrolysis (per day): 0.196 WATER 20 5 H 9PMED8 0.676 WATER 20 7 H 9PMED8 1.109 WATER 20 9 H 9PMED8 Photolysis (per day): Vapor pressure (mPa): 0.04 20 H 9PMED9 Water solubility (ppm): 6000 20 H 9PMED9 Organic solubility (ppm): 2.80E5 ACETONE 20 H 9PMED8 2.35E5 CYCLOHEXANONE 20 H 9PMED8 5.50E5 DIMETHYLFORMAMIDE 20 H 9PMED8 8.0E4 ETHANOL 20 H 9PMED8 9000 XYLENE 20 H 9PMED8 Henrys law (Pa m3/mol): 1.49E-6 20 H 9PMED8 Octanol/water partitioning (log Kow): Acid dissociation (pKa): Soil sorption: soiltype temp. Kd Koc %om pH reference -------- ----- -- --- --- -- --------- 40 Field dissipation halflife(days): value test area pH source reference ----- --------- -- ------ --------- 2 H 9PMED9 Halflife in soil: soiltype aerobic anaerobic source reference -------- ------- --------- ------ --------- Comments: