Violent polymerization possible. May corrode in the presence of moisture. Forms thermally unstable mixtures. Forms explosive products. Forms impact sensitive mixture.
Forms impact sensitive mixture.
May react on prolonged storage. Thermal decomposition products includes toxic and corrosive hydrogen chloride. Hazardous polymerization has not been reported to occur under normal temperatures and pressures. Store in a cool, dry place protected against light. Flammable, poisonous gases may accumulate in tanks and hopper cars.