DESCRIPTION

Chlorine occurs as a green-yellow gas, normally packaged as a liquid under pressure in containers approved by the U.S. Department of Transportation. At 60° F, it has a vapor pressure of 70.91 psig. Its vapor density is about 2.5 times that of air. About 0.8 lb (0.362 kg) is soluble in 100 lb (45.4 kg) of water at 60° F under atmospheric pressure.