ARS PESTICIDE PROPERTIES DATABASE last updated May 1995 name: MONOLINURON CASRN: 1746-81-2 molecular formula: C9H11CLN2O2 molecular weight: 214.6 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): 80 - 83 H 9PME10 Decomposition point (deg C): Heat of vaporization (deg C): --RATE CONSTANTS-- Hydrolysis (per day): Photolysis (per day): Vapor pressure (mPa): 6400 65 H 9PMED7 H 9PMED9 20 20 E ADCSAJ 111:55-120 (1972) 1.3* 20 H 9PME10 100 50 H 9PME10 Water solubility (ppm): 580 20 E WEESA6 31:368-372 (1983) 735* 25 H 6GHENT 53:1455-1458 (1988) H 9PME10 Organic solubility (ppm): SOLUBLE IN MANY ORGANIC SOLVS. H 9PME10 Henrys law (Pa m3/mol): 3.8E-4 H 9PME10 Octanol/water partitioning (log Kow): 2.20 H 9PME10 Acid dissociation (pKa): Soil sorption: soiltype temp. Kd Koc %om pH reference -------- ----- -- --- --- -- --------- 85 9PMED9 CMSHAF 10: 833-846 (1981) 250-500 9PME10 198 90CHS2 V.1:pp.51-143(1972) 69 JAFCAU 29: 1050-1059(1981) 93 6AJSOR 19: 61-68 (1981) 54 6AJSOR 19: 61-68 (1981) 61 6AJSOR 19: 61-68 (1981) 47 6AJSOR 19: 61-68 (1981) 93 6AJSOR 19: 61-68 (1981) 57 6AJSOR 19: 61-68 (1981) 26 6AJSOR 19: 61-68 (1981) 54 6AJSOR 19: 61-68 (1981) 85 6AJSOR 19: 61-68 (1981) 31 6AJSOR 19: 61-68 (1981) 52 6AJSOR 19: 61-68 (1981) 95 6AJSOR 19: 61-68 (1981) 74 6AJSOR 19: 61-68 (1981) 62 6AJSOR 19: 61-68 (1981) 66 6AJSOR 19: 61-68 (1981) 83 6AJSOR 19: 61-68 (1981) 99 6AJSOR 19: 61-68 (1981) 2025 WEESA6 31: 368-372 (1983) 321 WEESA6 31: 368-372 (1983) 225 WEESA6 31: 368-372 (1983) 211 WEESA6 31: 368-372 (1983) 224 WEESA6 31: 368-372 (1983) 520 WEESA6 31: 368-372 (1983) 273 WEESA6 31: 368-372 (1983) 517 WEESA6 31: 368-372 (1983) 533 CJSSAR 55: 127-135 (1975) 147 CJSSAR 55: 127-135 (1975) 150 CJSSAR 55: 127-135 (1975) 246 CJSSAR 55: 127-135 (1975) 117 CJSSAR 55: 127-135 (1975) 200* W Field dissipation halflife(days): value test area pH source reference ----- --------- -- ------ --------- 45-60 H 9PME10 60* W Halflife in soil: soiltype aerobic anaerobic source reference -------- ------- --------- ------ --------- Comments: