ABSTRACT

CASRN: 95-93-2; molecular formula: C10H14; FW: 134.22; RTECS: DC0500000 Merck Index: 12, 3520 Physical state, color, and odor: Colorless crystals or scales with a camphor-like odor Melting point (°C): 79.2 (Weast, 1986) 77 (quoted, Verschueren, 1983) Boiling point (°C): 196.8 (Weast, 1986) 191-193 (Windholz et al., 1983) Density (g/cm3): 0.8380 at 81 °C (Weast, 1986) Diffusivity in water (x 10-5 cm2/sec): 0.62 at 20 °C using method of Hayduk and Laudie (1974) Dissociation constant, pKa: >14 (Schwarzenbach et al., 1993) Flash point (°C): 54 (NFPA, 1984) 73 (Dean, 1987) Entropy of fusion (cal/mol⋅K): 14.2 (Domalski and Hearing, 1998) Heat of fusion (kcal/mol): 4.9903 (Domalski and Hearing, 1998) Henry’s law constant (x 10-2 atm⋅m3/mol): 2.49 at 25 °C (approximate - calculated from water solubility and vapor pressure) Ionization potential (eV): 8.06 (Lias, 1998) Soil organic carbon/water partition coefficient, log Koc: 3.12 (Schwarzenbach and Westall, 1981)

ow 4.24 (generator column-HPLC, Garst, 1984) 4.00 (Camilleri et al., 1988) Solubility in organics: Soluble in acetone, alcohol, benzene, and ether (Weast, 1986) Solubility in water (at 25 °C): 3.48 mg/kg (shake flask-GLC, Price, 1976) 19.4 mg/L (Deno and Berkheimer, 1960) Vapor pressure (mmHg): 0.49 at 25 °C (quoted, Mackay et al., 1982) Toxicity: Acute oral LD50 for rats 6,989 mg/kg (quoted, RTECS, 1985). Uses: Plasticizers; polymers; fibers; organic synthesis.