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
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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.
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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
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Comments: