Cyanogen chloride toxic gas molecule. Stylized skeletal formula (chemical structure): Atoms are shown as color-coded circles: hydrogen (hidden), carbon (grey). cyanogen, chloride, chlorine, cyanide, cyanic, chlorocyanogen, chlorocyanide, gas, CK, chemical, warfare, weapon, mass, destruction, blood, agent, nitrogen, carbon, chlorine, molecule, atoms, atomic, model, molecular, compound, composition, chemical, chemistry, bond, structure, formula, circle, ring, line, drawing, skeletal, flat, icon, stylized, style