ARS PESTICIDE PROPERTIES DATABASE last updated May 1995 name: ZIRAM CASRN: 137-30-4 molecular formula: C6H12N2S4Zn molecular weight: 305.8 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): 246 H 9PME10 Decomposition point (deg C): Heat of vaporization (deg C): --RATE CONSTANTS-- Hydrolysis (per day): Photolysis (per day): Vapor pressure (mPa): <0.001* H 9PME10 0.01 P 6USEPA Water solubility (ppm): 65 25 H 9PMED9 H 9FACHB 1993 H 9ACHB2 1983 0.03* 20 H 9PME10 Organic solubility (ppm): SOLUBLE IN CHLOROFORM, CS2 Henrys law (Pa m3/mol): <0.010 H 9PME10 Octanol/water partitioning (log Kow): 1.086 H 9PME10 Acid dissociation (pKa): Soil sorption: soiltype temp. Kd Koc %om pH reference -------- ----- -- --- --- -- --------- 440 ESTHAG 14: 553-556 (1980) 370 W 400* W Field dissipation halflife(days): value test area pH source reference ----- --------- -- ------ --------- 30 W Halflife in soil: soiltype aerobic anaerobic source reference -------- ------- --------- ------ --------- Comments: