ARS PESTICIDE PROPERTIES DATABASE last updated May 1995 name: FENURON CASRN: 101-42-8 molecular formula: C9H12N2O molecular weight: 164.2 physical state: S (L=liquid; G=gas; S=solid) reference: 9PMED9 __________________________________________________________________________ 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): 133 - 134 H 9PME10 Decomposition point (deg C): Heat of vaporization (deg C): --RATE CONSTANTS-- Hydrolysis (per day): Photolysis (per day): Vapor pressure (mPa): 21 60 H 9PMED9 5* R RREVAH 103: 1-59 (1988) Water solubility (ppm): 3850* 25 H 9PMED9 H 9ACHB2 1983 2900 20 E ADCSAJ 111: 55-120 (1972) 4800(FENURON.TCA) H 9PME10 Organic solubility (ppm): 1.09E5 ETHANOL 20-25 H 9PME10 5500 DIETHYL ETHER 20-25 H 9PME10 8.02E4 ACETONE 20-25 H 9PME10 3100 BENZENE 20-25 H 9PME10 1.25E5 CHLOROFORM 20-25 H 9PME10 200 HEXANE 20-25 H 9PME10 Henrys law (Pa m3/mol): 2.13E-4 25 H 9PMED9 R RREVAH 103: 1-59 (1988) Octanol/water partitioning (log Kow): Acid dissociation (pKa): Soil sorption: soiltype temp. Kd Koc %om pH reference -------- ----- -- --- --- -- --------- 27 6ECBEN 4: 26-38 (1980) 42 9EINSP pp. 23-67 (1980) 13 JAFCAU 29: 1050-1059 (1981) 42 6AJSOR 19: 61-68 (1981) 17 6AJSOR 19: 61-68 (1981) 22 6AJSOR 19: 61-68 (1981) 21 6AJSOR 19: 61-68 (1981) 14 6AJSOR 19: 61-68 (1981) 31 6AJSOR 19: 61-68 (1981) 22 6AJSOR 19: 61-68 (1981) 22 6AJSOR 19: 61-68 (1981) 45 6AJSOR 19: 61-68 (1981) 16 6AJSOR 19: 61-68 (1981) 33 6AJSOR 19: 61-68 (1981) 33 6AJSOR 19: 61-68 (1981) 17 6AJSOR 19: 61-68 (1981) 31 6AJSOR 19: 61-68 (1981) 43 6AJSOR 19: 61-68 (1981) 17 6AJSOR 19: 61-68 (1981) 27 6GERST 12 PSSCBG 11: 401-408 (1980) 135 CJSSAR 55: 127-135 (1975) 29 CJSSAR 55: 127-135 (1975) 33 CJSSAR 55: 127-135 (1975) 68 CJSSAR 55: 127-135 (1975) 29 CJSSAR 55: 127-135 (1975) 42* W Field dissipation halflife(days): value test area pH source reference ----- --------- -- ------ --------- 135 R RREVAH 52: 89-115 (1974) 60* E 6GHENT 46: 281-296 (1981) 7-60 H 9HERBH 6th ED 1989 Halflife in soil: soiltype aerobic anaerobic source reference -------- ------- --------- ------ --------- Comments: