ARS PESTICIDE PROPERTIES DATABASE last updated May 1995 name: SODIUM CHLORATE CASRN: 7775-09-9 molecular formula: NaCLO3 molecular weight: 106.4 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): 248 H 9PME10 Decomposition point (deg C): 300 H 9PME10 Heat of vaporization (deg C): --RATE CONSTANTS-- Hydrolysis (per day): Photolysis (per day): Vapor pressure (mPa): 0 H 9PME10 Water solubility (ppm): 790000 0 H 9PMED9 2300000 100 H 9PME10 Organic solubility (ppm): Henrys law (Pa m3/mol): Octanol/water partitioning (log Kow): Acid dissociation (pKa): Soil sorption: soiltype temp. Kd Koc %om pH reference -------- ----- -- --- --- -- --------- 10 W Field dissipation halflife(days): value test area pH source reference ----- --------- -- ------ --------- 45-456 H 9ACHB2 1983 200* W Halflife in soil: soiltype aerobic anaerobic source reference -------- ------- --------- ------ --------- Comments: