ABSTRACT
Note: Usually shipped under refrigeration. CASRN: 509-14-8; DOT: 1510; molecular formula: CN4O8; FW: 196.03; RTECS: PB4025000; Merck Index: 12, 9371 Physical state, color, and odor: Colorless to pale yellow to yellow-orange liquid with a pungent odor. Sensitive to heat, friction, and shock. Explosive in presence of impurities. Melting point (°C): 14.2 (Weast, 1986) Boiling point (°C): 125.7 (Menzies, 1919) Density (g/cm3): 1.6380 at 20 °C (Weast, 1986) 1.6229 at 25 °C (Windholz et al., 1983) Diffusivity in water (x 10-5 cm2/sec): 0.79 at 20 °C using method of Hayduk and Laudie (1974) Flash point (°C): >112 (Dean, 1987) Ionization potential (eV): 12.55 (Lias and Liebman, 1998) Solubility in organics: Miscible with alcohol and ether (Hawley, 1981) Vapor density: 8.01 g/L at 25 °C, 6.77 (air = 1) Vapor pressure (mmHg): 8 at 20 °C, 13 at 25 °C, 15 at 30 °C (quoted, Verschueren, 1983) Exposure limits: NIOSH REL: TWA 1 ppm, IDLH 4 ppm; OSHA PEL: TWA 5 ppb (adopted). Toxicity: Acute oral LD50 for rats 130 mg/kg, mice 375 mg/kg (quoted, RTECS, 1985). LC50 (inhalation) for mice 54 ppm/4-h, rats 18 ppm/4-h (quoted, RTECS, 1985). Drinking water standard: No MCLGs or MCLs have been proposed by the U.S EPA (1996).
