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Naxcat® aromatic sulfonic acids are made by sulfonating aromatic compounds with sulfuric acid, so3 , or oleum. They are comparable in strength to mineral acids such as sulfuric acid, but are especially suitable for organic reactions where an inorganic, mineral acid could cause charring, oxidation, or an unwanted chemical reaction.

Naxchem® products are key additives and building blocks in the manufacture of textiles, inks, dyes, plastics, agricultural chemicals and metal plating.