ARS PESTICIDE PROPERTIES last update May 1995 name:DICHLOBENIL CASRN: 1194-65-6 molecular formula: C7H3CL2N molecular weight : 172.02 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): 270 - 760 mmHg H 9PMED8 Melting point(deg C): 145 - 146 H 9ACHB2 Decomposition point(deg C): - Heat of vaporization(deg C): --RATE CONSTANTS-- Hydrolysis (per day): <5E-04* 22 5,7,9 M 7SCHER Photolysis (per day): 0.068* WATER M 7SCHER Vapor pressure (mPa): 2000 50 H 9HERBH 1.3E05 100 H 9HERBH 135 25 M 7SCHER 73* H 9HERBH Water solubility (ppm): -temp- -source- -reference- 18 20 H 9ACHB2 1983 ED. H 9HERBH H 9ACHB2 7TH ED.,1977 25 20 H 9HERBH 21.2* 25 M 7SCHER Organic solubility (ppm): 1.0E+4* METHYLENE CHLORIDE 20 H 9PMED8 5.0E+4* ACETONE 20 H 9PMED8 <1E04 * DIOXANE 20 H 9PMED8 <1E04 * XYLENE 20 H 9PMED8 Henrys law (Pa m3/mol): 0.59* 25 M 7SCHER Octanol/water partitioning (log Kow): 2.7* M 7SCHER Acid dissociation (pKa): Soil sorption: soiltype temp. Kd Koc %om pH reference 224 9EINSP PP.23-67 164 9HFEDP 316 8CREAM 235 EESADV SILT LOAM 5.0 147 1.98 6.2 JAFCAU 18:97-99, 1970 SILT LOAM 6.0 138 2.97 4.6 JAFCAU 18:97-99, 1970 LMY FINE SND 1.9 211 0.52 5.0 JAFCAU 18:97-99, 1970 SILTY CLAY 6.7 126 3.08 5.7 JAFCAU 18:97-99, 1970 LMY FINE SND 3.7 137 1.57 5.4 JAFCAU 18:97-99, 1970 STONEY LOAM 7.8 139 3.26 4.9 JAFCAU 18:97-99, 1970 FINE SNDY LM 5.1 170 1.74 6.8 JAFCAU 18:97-99, 1970 GRAVELLY LOAM 4.4 142 1.80 4.6 JAFCAU 18:97-99, 1970 STONEY LOAM 6.0 107 3.26 4.6 JAFCAU 18:97-99, 1970 GRAVELLY SILT 4.2 162 1.51 6.3 JAFCAU 18:97-99, 1970 SILT LOAM 4.5 155 1.69 5.9 JAFCAU 18:97-99, 1970 GRAVELLY LOAM 5.3 171 1.80 4.8 JAFCAU 18:97-99, 1970 171* Field Dissipation halflife(days): value test area pH source reference 23 SEDIMENT FL(AQU) M 6UNIRO 69 WATER OR(AQU) M 6UNIRO 39 SEDIMENT OR(AQU) M 6UNIRO 60-180 H 9ACHB2 1983 ED. 30-120 H 9HERBH 3-23 E JEVQAA 16:422-428,1987 6-26 R 8FULLE 28-140 M 7SCHER 55(3-180)* Halflife in soil: Soiltype aerobic anaerobic source reference Comments: