Uses of Ammonia Ammonia is used in the manufacture of nitric acid; certain alkalies such as soda ash; dyes; pharmaceuticals such as sulfa drugs, vitamins and cosmetics; synthetic textile fibers such as nylon, rayon and acrylics; and for the manufacture of certain plastics such as phenolics and polyurethanes.manufacture The petroleum industry utilizes ammonia in neutralizing the acid constituents of crude oil and for protection of equipment from corrosion.
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