ABSTRACT
CASRN: 613-12-7; molecular formula: C15H12; FW: 192.96; RTECS: CB0680000 Physical state: Solid Melting point (°C): 209 (Weast, 1986) 202-206 (Acros Organics, 2002) Boiling point (°C): Sublimes (Weast, 1986) 358.5 (Wilhoit and Zwolinski, 1971) Density (g/cm3): 1.165 using method of Lyman et al. (1982) Diffusivity in water (x 10-5 cm2/sec): 0.56 at 20 °C using method of Hayduk and Laudie (1974) Dissociation constant, pKa: >14 (Schwarzenbach et al., 1993) Ionization potential (eV): 7.37 (Rosenstock et al., 1998) Soil organic carbon/water partition coefficient, log Koc: 5.12 using method of Karickhoff et al. (1979) Octanol/water partition coefficient, log Kow: 4.70 at 25.0 °C (HPLC, Lei et al., 2000) 5.00 (shake flask-absorption spectrophotometry, Alcorn et al., 1993) Solubility in organics: Soluble in benzene and chloroform (Weast, 1986) Solubility in water: In µg/kg: 7.06 at 6.3 °C, 8.48 at 9.1 °C, 9.43 at 10.8 °C, 11.1 at 13.9 °C, 14.5 at 18.3 °C, 19.1 at
23.1 °C, 24.2 at 27.0 °C, 32.1 at 31.1 °C (coupled column-LC, May et al., 1978) 21.3 µg/kg at 25 °C (generator column-HPLC/UV spectrophotometry, May et al., 1978a) 39 µg/L at 25 °C (shake flask-fluorescence, Mackay and Shiu, 1977) In nmol/L: 39.2 at 8.8 °C, 50.4 at 12.9 °C, 63.9 at 17.0 °C, 84.0 at 21.1 °C, and 117 at 25.3 °C. In
seawater (salinity = 36.5 g/kg): 15.6 at 4.6 °C, 19.5 at 8.8 °C, 26.2 at 12.9 °C, 35.7 at 17.0 °C, 49.4 at 21.1 °C, and 70.8 at 25.3 °C (Whitehouse, 1984)
In mole fraction (x 10-9): 0.6615 at 6.30 °C, 0.7946 at 9.38 °C, 0.8836 at 10.80 °C, 1.040 at 13.90
column-HPLC, May et al., 1983)
In µg/L: 5.67 at 0.30 °C, 7.38 at 5.00 °C, 10.6 at 10.00 °C, 14.2 at 15.00 °C, 19.2 at 20.00 °C, 26.2 at 25.00 °C, 35.2 at 30.00 °C, 48.0 at 35.00 °C, 67.4 at 40.00 °C, 94.3 at 45.00 °C, 125 at 50.00 °C (generator column-HPLC, Dohányosová et al., 2003).
