ABSTRACT

CASRN: 76-11-9; DOT: 1078; molecular formula: C2Cl4F2; FW: 203.83; RTECS: KI1425000 Physical state, color, and odor: Colorless solid with a faint ether-like odor Melting point (°C): 40.6 (Weast, 1986) Boiling point (°C): 91.5 (Weast, 1986) Density (g/cm3): 1.65 at 20 °C (NIOSH, 1997) Diffusivity in water (x 10-5 cm2/sec): 0.71 at 20 °C using method of Hayduk and Laudie (1974) Flash point (°C): Noncombustible solid (NIOSH, 1997) Solubility in organics: Soluble in alcohol, ether, and chloroform (Weast, 1986) Vapor pressure (mmHg): 40 at 20 °C (NIOSH, 1997) Exposure limits: NIOSH REL: TWA 500 ppm (4,170 mg/m3), IDLH 2,000 ppm; OSHA PEL: TWA 500 ppm; ACGIH TLV: TWA 500 ppm (adopted). Symptoms of exposure: Eye and skin irritation, drowsiness, central nervous system depression (NIOSH, 1997) Use: Organic synthesis.