ABSTRACT

CASRN: 7421-93-4; DOT: 2761; DOT label: Poison; molecular formula: C12H8Cl6O; FW: 380.92 Physical state: Solid Melting point (°C): 145-149 (U.S. EPA, 1980a) Boiling point (°C): Decomposes at 235 (Callahan et al., 1979) Diffusivity in water (x 10-5 cm2/sec): 0.43 at 20 °C using method of Hayduk and Laudie (1974) Henry’s law constant (x 10-7 atm⋅m3/mol): 3.86 at 25 °C (approximate - calculated from water solubility and vapor pressure) Soil organic carbon/water partition coefficient, log Koc: 4.43 using method of Kenaga and Goring (1980) Solubility in water: 260 µg/L at 25 °C (extraction-GLC, Weil et al., 1974) Vapor pressure (mmHg): 2 x 10-7 at 25 °C (Martin, 1972) Uses: Not known.