ARS PESTICIDE PROPERTIES DATABASE last updated May 1995
name: CARBENDAZIM (MBC) CASRN: 10605-21-7
molecular formula: C9H9N3O2 molecular weight: 191.19 physical state: S (L=liquid; G=gas; S=solid) reference: 9PMED7
__________________________________________________________________________ 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): 302 - 307 H 9PME10
Decomposition point (deg C): 307 H 9PME10
Heat of vaporization (deg C):
--RATE CONSTANTS--
Hydrolysis (per day): STABLE WATER 25 5,7,9 M 9DUPON,1999
Photolysis (per day): STABLE WATER 25 5,7,9 M 9DUPON,1999
Vapor pressure (mPa): 1E-4 20 H 9PMED7 0.09* 20 H 9PME10 6.5E-5 20 H 9ACHB2 1983
Water solubility (ppm): 28(pH4) 20 H 9PMED9 8(pH7)* 20 H 9PMED9 7(pH8) 20 H 9PMED9
Organic solubility (ppm): 5000 DIMETHYLFORMAMIDE 24 H 9PME10 300 ACETONE 24 H 9PME10 300 ETHANOL 24 H 9PME10 100 CHLOROFORM 24 H 9PME10 135 ETHYL ACETATE 24 H 9PME10 68 DICHLOROETHANE 24 H 9PME10 36 BENZENE 24 H 9PME10 <10 CYCLOHEXANE 24 H 9PME10 <10 DIETHYL ETHER 24 H 9PME10
Henrys law (Pa m3/mol): 4.3E-7 25 5 M 9DUPON,1999 1.6E-6 25 7 M 9DUPON,1999 1.8E-6 25 9 M 9DUPON,1999
Octanol/water partitioning (log Kow): 1.38,1.54 (pH5) M 9DUPON,1999 1.50,1.77 (pH7)* M 9DUPON,1999 1.49 (pH9) M 9DUPON,1999
Acid dissociation (pKa): 4.48 E PSSCBG 7: 201-210 (1976)
Soil sorption: soiltype temp. Kd Koc %om pH reference -------- ----- -- --- --- -- --------- 225 PSSCBG 11: 401-408 (1980) 195 7.5 PSSCBG 7: 201-210 (1976) 249 6.75 PSSCBG 7: 201-210 (1976) 369 6.11 PSSCBG 7: 201-210 (1976) 295 6.2 PSSCBG 7: 201-210 (1976) 619 6.15 PSSCBG 7: 201-210 (1976) 458 6.71 PSSCBG 7: 201-210 (1976) 758 5.94 PSSCBG 7: 201-210 (1976) 200- 250 9PME10 350*
Field dissipation halflife(days): value test area pH source reference ----- --------- -- ------ --------- 58,85 E PSSCBG 8: 71-78 (1977) 25 E 6SOILB 21: 857-861 (1989) 83 LOAM(CA) 7.6 M 9DUPON,1999 51 LOAM 6.4 M 9DUPON,1999
Halflife in soil: soiltype aerobic anaerobic source reference -------- ------- --------- ------ ---------
Comments: