ABSTRACT

CASRN: 91-58-7; molecular formula: C10H7Cl; FW: 162.62; RTECS: QJ2275000; Merck Index: 12, 2202 Physical state and color: Off-white monoclinic plates or leaflets Melting point (°C): 58.0 (Calvet et al., 1999) Boiling point (°C): 256 (Weast, 1986) Density (g/cm3): 1.1377 at 71 °C (Dean, 1987) Diffusivity in water (x 10-5 cm2/sec): 0.65 at 20 °C using method of Hayduk and Laudie (1974) Flash point (°C): Nonflammable (Sittig, 1985) Entropy of fusion (cal/mol⋅K): 10.10 (DSC, Calvet et al., 1999) Heat of fusion (kcal/mol): 3.34 (DSC, Calvet et al., 1999) Henry’s law constant (x 10-4 atm⋅m3/mol): 3.31 at 25 °C (gas stripping-UV spectrophotometry, Shiu and Mackay, 1997) Ionization potential (eV): 8.11 (Lias et al., 1998) Soil organic carbon/water partition coefficient, log Koc: 3.93 using method of Karickhoff et al. (1979) Octanol/water partition coefficient, log Kow: 3.91 (HPLC, Lei et al., 2000) 3.98 (shake flask-GLC, Opperhuizen et al., 1987) 4.14 (shake flask, Hansch et al., 1995) Solubility in organics: Soluble in chloroform, carbon disulfide (Windholz et al., 1983), and many other halogenated liquid solvents (e.g., methylene chloride).