ARS PESTICIDE PROPERTIES DATABASE last updated May 1995 name: CHLORBROMURON CASRN: 13360-45-7 molecular formula: C9H10BrCLN2O2 molecular weight: 293.5 physical state: S (L=liquid; G=gas; S=solid) reference: 9PMED7 __________________________________________________________________________ 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): 95 - 97 H 9PME10 Decomposition point (deg C): Heat of vaporization (deg C): --RATE CONSTANTS-- Hydrolysis (per day): Photolysis (per day): Vapor pressure (mPa): 0.053 20 H 9PMED7 Water solubility (ppm): 35* 20 H 9PMED7 H 9ACHB2 1983 50 H 9HERBH 4th ED 1979 Organic solubility (ppm): 4.6E5 ACETONE 20 H 9PME10 1.7E5 DICHLOROMETHANE 20 H 9PME10 8.9E4 HEXANE 20 H 9PME10 7.2E4 BENZENE 20 H 9PME10 1.2E4 ISOPROPANOL 20 H 9PME10 Henrys law (Pa m3/mol): 2.63E-4 20 H 9PME10 Octanol/water partitioning (log Kow): Acid dissociation (pKa): Soil sorption: soiltype temp. Kd Koc %om pH reference -------- ----- -- --- --- -- --------- 217 90CHS2 V.1: pp. 51-143(1972) 947 CJSSAR 55: 127-135 (1975) 966 CJSSAR 55: 127-135 (1975) 769 CJSSAR 55: 127-135 (1975) 825 WEESAG 21: 416-460 (1973) 4092 WEESAG 21: 416-460 (1973) 365 WEESAG 21: 416-460 (1973) 663 WEESAG 21: 416-460 (1973) 436 WEESAG 21: 416-460 (1973) 463 WEESAG 21: 416-460 (1973) 320 6AJSOR 19: 61-68 (1981) 389 6AJSOR 19: 61-68 (1981) 374 6AJSOR 19: 61-68 (1981) 273 6AJSOR 19: 61-68 (1981) 516 6AJSOR 19: 61-68 (1981) 317 6AJSOR 19: 61-68 (1981) 156 6AJSOR 19: 61-68 (1981) 450 6AJSOR 19: 61-68 (1981) 341 6AJSOR 19: 61-68 (1981) 170 6AJSOR 19: 61-68 (1981) 343 6AJSOR 19: 61-68 (1981) 600 6AJSOR 19: 61-68 (1981) 225 6AJSOR 19: 61-68 (1981) 225 6AJSOR 19: 61-68 (1981) 386 6AJSOR 19: 61-68 (1981) 476 6AJSOR 19: 61-68 (1981) 363 6AJSOR 19: 61-68 (1981) 363 6AJSOR 19: 61-68 (1981) 524 6AJSOR 19: 61-68 (1981) 470* 6ABERN Field dissipation halflife(days): value test area pH source reference ----- --------- -- ------ --------- 37 E 6GHENT 53: 1455-1458 (1988) ca.21 E WEESAG 21: 416-460 (1973) 30* Halflife in soil: soiltype aerobic anaerobic source reference -------- ------- --------- ------ --------- Comments: