CS "gas" is not a gas.
Henry
J
J
D006801:Humans; D013665:Tear Gases / Q000506:poisoning*; D009626:Terminology as Topic; D009763:o-Chlorobenzylidenemalonitrile / Q000506:poisoning*
D013665:Tear Gases; D009763:o-Chlorobenzylidenemalonitrile