Salt is non-flammable. It does not burn. It melts at 800.8C and it boils at 1465C. It is possible to create chlorine by passing an electric current through a solution of salt in water, but it will produce sodium chlorate or sodium hypochlorite (commonly known as "bleach") not gaseous chlorine in most circumstances. Mustard gas is not chlorine gas. It is 1,1-thiobis(2-chloroethane), a chemical warfare agent containing sulfur and chlorine with the chemical formula Cl-CH2-CH2-S-CH2-CH2-Cl.