ARS PESTICIDE PROPERTIES last update May 1995 name:NALED CASRN: 300-76-5 molecular formula: C4H7BR2CL2O4P molecular weight : 381 physical state : L (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): 110 - 0.5mmHg H 9ACHB2 Melting point(deg C): 26 - 27.5 H 9ACHB2 Decomposition point(deg C): - Heat of vaporization(deg C): --RATE CONSTANTS-- Hydrolysis (per day): CA 0.7* RT Photolysis (per day): Vapor pressure (mPa): 260 20 H 9ACHB2 1983 ED. 26* M 8VALUS Water solubility (ppm): -temp- -source- -reference- CA. 1.5* 0-3 C ETOCDK 8:339-357,1989 Organic solubility (ppm): Henrys law (Pa m3/mol): 6.6* M 8VALUS Octanol/water partitioning (log Kow): Acid dissociation (pKa): Soil sorption: soiltype temp. Kd Koc %om pH source reference 133 E ETOCDK 8:339-357,1989 180 M 8VALUS 157* Field Dissipation halflife(days): value test area pH %OM source reference <1* M 8VALUS Halflife in soil: Soiltype aerobic anaerobic source reference 4* M 8VALUS Comments: BOILING POINT 110 at 0.5 mmHg SOIL SORPTION KOC VALUE=157(133-180)