Properties: Colorless gas; mild, sweet odor. Liquefies in a freezing mixture. Polymerizes in light or in presence of catalyst. mp -153.8°. bp -13.37°. d420 0.9106. nD20 1.3700. Vapor pressure at 20°: 2530 mm Hg. Flammable. Flash pt, closed cup: -78℃ (-112°F). Sol in alc, ether, carbon tetrachloride, benzene. Slightly sol in water. LD50 in mice, rats, guinea pigs, rabbits (mg/l): 293.75, 390, 595, 295 by inhalation (Prodan).
Melting point: mp -153.8°
Boiling point: bp -13.37°
Flash point: Flash pt, closed cup: -78℃ (-112°F)
Index of refraction: nD20 1.3700
Density: d420 0.9106
Toxicity data: LD50 in mice, rats, guinea pigs, rabbits (mg/l): 293.75, 390, 595, 295 by inhalation (Prodan)
CAUTION: Potential symptoms of overexposure are weakness; abdominal pain, GI bleeding; hepatomegaly; pallor or cyanosis of extremities; direct contact with liquid may cause frostbite. See NIOSH Pocket Guide to Chemical Hazards (DHHS/NIOSH 97-140, 1997) p 330. See also Patty's Industrial Hygiene and Toxicology
vol. 2E, G. D. Clayton, F. E. Clayton, Eds. (John Wiley Sons, Inc., New York, 4th ed., 1994) pp 4169-4177. This substance is listed as a known human carcinogen: Report on Carcinogens, Eleventh Edition (PB2005-104914, 2004) p III-272.
Use: In the plastics industry to manuf polyvinyl chloride; in organic syntheses. Has been used as refrigerant, spray can propellant.
产品链接: 75-01-4››