ARS PESTICIDE PROPERTIES last updated Jan, 2002 name: BUTYLATE CASRN: 2008-41-5 SELECTED VALUES FOR MODELING PURPOSES (from Hornsby, et al., 1996) WATER SOLUBILITY (mg/L): 44 FIELD HALF-LIFE (days): 13 SOIL ORGANIC CARBON SORPTION (Koc, mL/g): 400 VAPOR PRESSURE (mm Hg): 1.3 x 10-2 PUBLISHED AND MANUFACTURER VALUES AND SOURCES molecular formula: C11H23NOS molecular weight : 217.4 physical state : L (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): 130 - 10 mm Hg H 9ACHB2 Melting point(deg C): - Decomposition point(deg C): 200 - Heat of vaporization(deg C): --RATE CONSTANTS-- Hydrolysis (per day): 0.0011* 25 5-9 M 8ICIAG Photolysis (per day): stable* SOIL NR M 8ICIAG Vapor pressure (mPa): 1730* 25 M 8ICIAG Water solubility (ppm): -temp- -source- -reference- 44* 25 M 8ICIAG 45 H 9HERBH C EESADV C 8GLEAM 46 20 H 9FACHB 1990 46(RT) M 8ICIAG Organic solubility (ppm): MISCIBLE* ACETONE 20 H 9PMED8 MISCIBLE ETHANOL 20 H 9PMED8 MISCIBLE KEROSENE 20 H 9PMED8 MISCIBLE XYLENE 20 H 9PMED8 Henrys law (Pa m3/mol): 8.54* 20-25 M 8ICIAG Octanol/water partitioning (log Kow): 4.1* 25 M 8ICIAG Acid dissociation (pKa): Soil sorption: soiltype temp. Kd Koc %om pH source reference 540 R EESADV 150 C 8GLEAM 126 M 8ICIAG 400 M 8ICIAG 304* Field Dissipation halflife(days): value test area pH %OM source reference 28(12-70)* 30 H 9ACHB2 10-21 H 9HERBH 12 C 8GLEAM 21 P 8EPAHO 21-70 P 8EPAHO 18-28 P 8EPAGR 64 P 8EPAGR 13 M 8ICIAG Halflife in soil: Soiltype aerobic anaerobic source reference Comments: