ARS PESTICIDE PROPERTIES last update May 1995 name:CHLOROBENZILATE CASRN: 510-15-6 molecular formula: C16H14CL2O3 molecular weight : 325.21 physical state : S (L=liquid; G=gas; S=solid) reference: 9CIBAG _________________________________________________________________________ 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): 36 - 37.5 H 9ACHB2,2ND ED.,1987 Decomposition point(deg C): - Heat of vaporization(deg C): --RATE CONSTANTS-- Hydrolysis (per day): 0.215* 25 7 M 9CIBAG STABLE* 25 5 M 9CIBAG 0.10* 25 9 M 9CIBAG Photolysis (per day): 0.06 SOIL NR M 9CIBAG 0.0042* WATER 25 M 9CIBAG 0.58* (sndy lm) SOIL NR 6.1 M 9CIBAG Vapor pressure (mPa): 9.07E-1* 20 M 9CIBAG 1.2E-1 20 H 9ACHB2,2ND ED.,1987 2.93E-1 20 H 9MERCK,10TH ED.,p.298 Water solubility (ppm): -temp- -source- -reference- 10 20 H 9ACHB2,2ND ED.,1987 13* 20 M 9CIBAG Organic solubility (ppm): 1.0E+6* ACETONE 25 H 9ACHB2,2ND ED.,1987 1.0E+6* DICHLOROMETHANE 20 H 9ACHB2,2ND ED.,1987 1.0E+6* METHANOL 20 H 9ACHB2,2ND ED.,1987 1.0E+6* TOLUENE 20 H 9ACHB2,2ND ED.,1987 6.0E+5* HEXANE 20 H 9ACHB2,2ND ED.,1987 7.0E+5* N-OCTANOL 20 H 9PMED8,8TH ED.,p.162,1987 Henrys law (Pa m3/mol): 0.0227* 25 M 9CIBAG Octanol/water partitioning (log Kow): 4.58* 25 M 9CIBAG Acid dissociation (pKa): Soil sorption: soiltype temp. Kd Koc %om pH reference SANDY LOAM 048.6 2090 4.0 7.8 9CIBAG SAND 016.4 4701 0.6 7.7 9CIBAG LOAM 048.4 1734 4.8 5.9 9CIBAG SANDY LOAM 020.5 2712 1.3 7.9 9CIBAG 2810* Field Dissipation halflife(days): value test area pH source reference Halflife in soil: Soiltype aerobic anaerobic source reference Comments: NO LONGER SOLD BY CIBA