ARS PESTICIDE PROPERTIES last update May 1995 name:AMITROLE CASRN: 61-82-5 molecular formula: C2H4N4 molecular weight : 84.04 physical state : S (L=liquid; G=gas; S=solid) reference: 9ACHB2,2ND ED.,1987 _________________________________________________________________________ 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): 157 - 159 M 9ACHB2 Decomposition point(deg C): - Heat of vaporization(deg C): --RATE CONSTANTS-- Hydrolysis (per day): 0.02000* 25 5 M 9RHPOU Photolysis (per day): 0.035* SOIL 25 M 9RHPOU Vapor pressure (mPa): 5.9E-2* 20 M 9RHPOU Water solubility (ppm): -temp- -source- -reference- 3.6E+5* M 9RHPOU 2.8E+5 25 H 9ACHB2,2ND ED.,1987 Organic solubility (ppm): Henrys law (Pa m3/mol): 1.38E-8* M 9RHPOU Octanol/water partitioning (log Kow): Acid dissociation (pKa): 4.1 M 9RHPOU Soil sorption: soiltype temp. Kd Koc %om pH reference 20 8CREAM 100 9RHPOU 17.8 8QSARP SILT LOAM 03.79 114 5.9 6.8 9RHPOU SAND 00.68 146 0.8 5.6 9RHPOU SANDY LOAM 03.52 202 3.0 6.1 9RHPOU SILT LOAM 01.57 54 5.0 7.0 9RHPOU 93* Field Dissipation halflife(days): value test area pH source reference 14(7-39)* 7 P 8EPAHO 39(AQUATIC) P 8EPAHO Halflife in soil: Soiltype aerobic anaerobic source reference SAND <1* 42* M 9RHPOU Comments: