1.purity:99.999 2.packing:cylinder or as your requments Hydrogen chloride (HCl) physical propertyphysical property:HCL is a colorless , poisonous, the incombustible corrosive gas , the smell of asphyxiation, has corrosion to the respiratory passage, eye, skin and mucosa, has strong stimulating to the upper respiratory tract .The specific gravity is bigger than air, meet damp air create white the ...