ARS PESTICIDE PROPERTIES last update May 1995 name:FOSAMINE AMMONIUM CASRN: 25954-13-6 molecular formula: C3H11N2O4P molecular weight : 170.1 physical state : S (L=liquid; G=gas; S=solid) reference: 9ACHB2 _________________________________________________________________________ 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): 175 - H 9ACHB2 Decomposition point(deg C): Heat of vaporization(deg C): --RATE CONSTANTS-- Hydrolysis (per day): STABLE 25 5-9 M 9DUPON,1999 Photolysis (per day): 0.0085* SOIL 25 6.8 M 9DUPON STABLE WATER 25 5,7,9 M 9DUPON,1999 Vapor pressure (mPa): 2.1* 25 M 9DUPON Water solubility (ppm): -temp- -source- -reference- 1.79E+06* 25 9DUPON Organic solubility (ppm): 300* ACETONE 25 M 9DUPON,1999 400* BENZENE 25 M 9DUPON,1999 1.4E03* DIMETHYL FORMAMIDE 25 M 9DUPON,1999 1.2E04* ETHANOL 25 M 9DUPON,1999 200 HEXANE 25 M 9DUPON,1999 1.58E05* METHANOL 25 M 9DUPON,1999 Henrys law (Pa m3/mol): 2.0E-7 25 7 M 9DUPON,1999 Octanol/water partitioning (log Kow): -2.9 25 9DUPON Acid dissociation (pKa): soil sorption: soiltype temp. Kd Koc %om pH source reference SANDY LOAM 0.22 34 1.1 6.6 M 9DUPON SANDY LOAM 0.59 48 2.1 6.5 M 9DUPON SANDY LOAM 2.7 108 4.3 5.4 M 9DUPON SANDY LOAM 350 12800 4.7 4.3 M 9DUPON 63* Field Dissipation halflife(days): value test area pH %OM source reference TENNESSEE 5.2 0.5 M 9DUPON DELAWARE 5.5 0.7 M 9DUPON N.CAROLINA 6.5 1.0 M 9DUPON Halflife in soil: Soiltype aerobic anaerobic source reference SANDY LOAM(DE) 7* M 9DUPON,1999 SILT LOAM(DE) 7 M 9DUPON,1999 SILT LOAM(DE) 0.5 M 9DUPON,1999 SANDY LOAM(MD) 4 M 9DUPON,1999 Comments: SOIL SORPTION KOC VALUE=63(34-108); AEROBIC 7=PH6.5 @24 DEGREES C.