The muriatic acid has many uses, for example, to clean, treat and galvanize metal, leather tanning, and in rening and manufacturing for wide variety of products. When it comes into contact with water it form hydrochloric acid. At room temperature,muriatic acid gas is colorless to slightly yellow, corrosive, non-ammable, heavier than air, with highly irritating odor. When exposed to air, muriatic acid fumes form dense white. Muriatic acid is an aqueous solution of hydrogen chloride gas. We commit you the best quality.