ARS PESTICIDE PROPERTIES last update May 1995 name:DALAPON SODIUM SALT CASRN: 127-20-8 molecular formula: C3H3CL2NaO2 molecular weight : 164.95 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): - Decomposition point(deg C): >191 - H 9PME10 Heat of vaporization(deg C): --RATE CONSTANTS-- Hydrolysis (per day): Photolysis (per day): Vapor pressure (mPa): <1 20 H 9ACHB2 1989 ED. Water solubility (ppm): -temp- -source- -reference- 5.02E05 R EESADV 5E05 H 9ACHB2 1983 ED. 9E05* 25 H 9PME10 Organic solubility (ppm): Henrys law (Pa m3/mol): Octanol/water partitioning (log Kow): Acid dissociation (pKa): 1.84* 25 R ADCSAJ 111:55-120,197 C 8CREAM Soil sorption: soiltype temp. Kd Koc %om pH reference 0.3 EESADV 8CREAM 4 8GLEAM 1(0.3-4)* Field Dissipation halflife(days): value test area pH source reference 30* H 9ACHB2 1983 ED. M 7HOCHE Halflife in soil: Soiltype aerobic anaerobic source reference Comments: