ARS PESTICIDE PROPERTIES last update May 1995 name:CARBOFURAN CASRN: 1563-66-2 molecular formula: C12H15NO3 molecular weight : 221.25 physical state : S (L=liquid; G=gas; S=solid) reference: 9FMCC3 _________________________________________________________________________ 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): 153 - 154 M 9FMCC3 Decomposition point(deg C): - Heat of vaporization(deg C): --RATE CONSTANTS-- Hydrolysis (per day): 0.0008 25 3.1 M 9FMCC3 0.0024* 25 6.2 M 9FMCC3 0.693* 25 9.1 M 9FMCC3 Photolysis (per day): 0.0154* SOIL 27.5 5.7 M 9FMCC3 0.124* WATER 25 M 9FMCC3 0.009 SOIL 22.7 M 9FMCC3 Vapor pressure (mPa): 0.082* 25 M 9FMCC3 1.171 25 M 9FMCC3 2.67 33 R 9HRLCP(COOK,R.F.)1973 0.867 20 R 9HRLCP(HARTLEY&BRYCE)1980 1.50 20 R 9HRLCP 2.70 33 H 9PMED8,8TH ED.,p.130,1987 0.647 25 E JAFCAU,V.29(1),p.99,1981 Water solubility (ppm): -temp- -source- -reference- 291 10 E JPFCD2,VB20(6):627,1985 375 30 E JPFCD2,VB20(6):627,1985 700 25 H 9PMED8,8TH ED.,p.130,1987 350* 25 M 9FMCC3 650 20 R 9HRLCP 320 19 E JPFCD2,VB14(6):627,1979 Organic solubility (ppm): 1.5E+5* ACETONE 25 M 9FMCC3 4.0E+4* BENZENE 25 M 9FMCC3 1.2E+5* METHYLENE CHLORIDE 25 M 9FMCC3 9.0E+4* CYCLOHEXANONE 25 M 9PMED8,8TH ED.,p.130,1987 2.7E+5* DIMETHYL FORMAMIDE 25 M 9PMED8,8TH ED.,p.130,1987 2.5E+5* DIMETHYL SULFOXIDE 25 M 9PMED8,8TH ED.,p.130,1987 Henrys law (Pa m3/mol): 5.1E-4 20 R 9HRLCP 5.2E-5* 25 M 9FMCC3 Octanol/water partitioning (log Kow): 1.41* 20 E 9FMCC3 2.32 NR R 9HRLCP(RAO&DAVIDSON),1980 1.63 NR R 9HRLCP;BOWMAN&SANS,1983 1.60 NR R 9HRLCP;KENAGA&GORING,1980 Acid dissociation (pKa): Soil sorption: soiltype temp. Kd Koc %om pH reference 29 9EPAA1,p.395,1984 158 EESADV 4:28,1980 105 ASTTA8, p.53,1981 25 WATRAG 14:1091,1980 29 9EINSP PP.23-67 28 JEVQAA 16:422-428,1987 40 8GLEAM 55 ETOCDK 8:339-357,1989 9-36 9FMCC3 25 8INSFO 105 8BULEV 24:190-195,1980 SILT LOAM 0.305 13.4 3.9 4.9 9FMCC3 SANDY LOAM 1.25 29 7.3 5.6 9FMCC3 LOAM 1.08 35.7 5.2 7.1 9FMCC3 SAND 0.096 9.7 1.7 6.9 9FMCC3 SANDY LOAM 0.560 31 3.1 6.1 9FMCC3 46* Field Dissipation halflife(days): value test area pH source reference 41(17-90)* 37-68 R 9EINSP PP.23-67 40 E JEVQAA 16:422-428,1987 17 C 8GLEAM 37 E ETOCDK 8:339-357,1989 18-90(AV.50) M 9FMCC3 42 R 8INSFO 48 IL M 9FMCC3 92 AR M 9FMCC3 43 AR M 9FMCC3 48 IL M 9FMCC3 50 IL M 9FMCC3 92 AR M 9FMCC3 43 AR M 9FMCC3 Halflife in soil: Soiltype aerobic anaerobic source reference SANDY LOAM 11* N.D. M 9FMCC3 Comments: