ARS PESTICIDE PROPERTIES last update May 1995 name:MANEB CASRN: 12427-38-2 molecular formula: C4H6MnNS4 molecular weight : 265.29 physical state : S (L=liquid; G=gas; S=solid) reference:9PME10 _________________________________________________________________________ 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): 192 - 204 H 9PME10 Heat of vaporization(deg C): --RATE CONSTANTS-- Hydrolysis (per day): ca.0.69 WATER 5,7,9 H 9PME10 Photolysis (per day): STABLE H 9PME10 Vapor pressure (mPa): <0.01 20 H 9ACHB2 0.0* 20 Water solubility (ppm): -temp- -source- -reference- 6* W Organic solubility (ppm): Henrys law (Pa m3/mol): Octanol/water partitioning (log Kow): Acid dissociation (pKa): Soil sorption: soiltype temp. Kd Koc %om pH reference 240* 8GLEAM Field Dissipation halflife(days): value test area pH source reference 12 C 8GLEAM 28-56 E JAFCAU 25:528-533,1977 36 E JAFCAU 28:322-330,1980 30(12-56)* Halflife in soil: Soiltype aerobic anaerobic source reference Comments: WATER SOLUBILITY=SLIGHT, REF. 9ACHB2 VAPOR PRESSURE - NEGLIGIBLE