CHLORINE Cl2
General Characteristics
Chlorine is a greenish-yellow, toxic, nonflammable, oxidizing gas with a pungent, suffocating odor. It is irritating to the mucous membrances. It is shipped as a liquefied gas under its own vapor presure.
Physical Information
Molecular Weight
70.906
Flammability Limits in air
Nonflammable
Specific Gravity,
Gas @ 70&degF(21.1&degC),
1 atm(Air=1)
2.473
Density,
Gas @ 70&degF
(21.1&degC), 1 atm
0.185lbs/ft^3 (2.98g/l)
Specific Volume,
Gas @ 70&degF
(21.1&degC), 1 atm
5.4ft^3/lb (0.336l/g)
Boiling Point @ 1 atm
-29.4&degF (-34.1&degC)
Melting Point @ 1 atm
-149.8&degF (-101.0&degC)
Critical Temperature
291.2&degF (144.0&degC)
Toxicity
PEL / TLV
0.5 ppm
STEL
1 ppm
LC50
293 ppm
IDLH
30 ppm