ABSTRACT
Cl CASRN: 5103-74-2; DOT: 2762; DOT label: Flammable liquid; molecular formula: C10H6Cl8; FW: 409.78; RTECS: PB9705000; Merck Index: 12, 2129 (mixed isomers) Physical state, color, and odor: Colorless to amber, solid or very viscous, noncombustible liquid which may impart a chlorinelike, irritating odor Melting point (°C): 101.1 (Plato, 1972) Boiling point (°C): 175 (technical grade containing both cis and trans isomers, Sims et al., 1988) Flash point (°C): Solid is noncombustible but materials used as carrier solvents (e.g., kerosene or other hydrocarbons) are often flammable rendering the mixture as a flammable or combustible mixture Diffusivity in water (x 10-5 cm2/sec): 0.43 at 20 °C using method of Hayduk and Laudie (1974) Heat of fusion (kcal/mol): 6.8 (DSC, Plato, 1972) Henry’s law constant (x 10-3 atm⋅m3/mol): At 23 °C: 1.34 and 5.59 in distilled water and seawater, respectively (Atlas et al., 1982) 28.6 at 25 °C (gas stripping-GC, Jantunen and Bidleman, 2006) 868 (wetted-wall column-GC) and 582 (fog chamber-GC) at 23 °C (Fendinger and Glotfelty,
1990) 0.033 at 5 °C, 0.098 at 15 °C, 0.11 at 20 °C, 0.16 at 25 °C, 0.44 at 35 °C; in 3% NaCl solution:
0.077 at 5 °C, 0.14 at 15 °C, 0.38 at 25 °C, 3.47 at 35 °C (gas stripping-GC, Cetin et al., 2006) Bioconcentration factor, log BCF: 4.18-4.30 (fish tank), 4.88 (Lake Ontario) (rainbow trout, Oliver and Niimi, 1985) 3.36 (B. subtilis, Grimes and Morrison, 1975) 3.64 freshwater clam (Corbicula manilensis) (Hartley and Johnston, 1983) Soil organic carbon/water partition coefficient, log Koc: 5.48 (Niagara River sediments, Oliver and Charlton, 1984) An average value of 6.3 was experimentally determined using 10 suspended sediment samples
collected from the St. Clair and Detroit Rivers (Lau et al., 1989). 5.03 (muck), 5.04 (loam), 4.67 (loess), 4.92 (clay), 4.67 (sand) (Erstfeld et al., 1996)
ow 6.22 at 25 °C (shake flask-GLC, Simpson et al., 1995) Solubility in organics: Miscible with aliphatic and aromatic solvents (U.S. EPA, 1985) Vapor pressure (mmHg): 5.03 x 10-5 at 25 °C (subcooled liquid vapor pressure calculated from GC retention time data, Hinckley et al., 1990) Environmental fate: Photolytic. Irradiation of trans-chlordane by a 450-W high-pressure mercury lamp gave phototrans-chlordane (Ivie et al., 1972). Chemical/Physical. In an alkaline medium or solvent, carrier, diluent, or emulsifier having an alkaline reaction, chlorine will be released (Windholz et al., 1983). Chlordane (0.009 mM) reacted with OH radicals in water (pH 3.3) at a rate of 6-170 x 108/M⋅sec (Haag and Yao, 1992). Emits toxic chloride fumes when heated to decomposition (Lewis, 1990). Toxicity: LC50 (96-h) and LC50 (24-h) values for bluegill sunfish were 50.5 and 210 µg/L, respectively (Mayer and Ellersieck, 1986). Drinking water standard: See chlordane. Use: Insecticide.
