Relating to a compound containing both an amino group and a sulfonic acid group, used in dyes and detergents.
From amino- + ethionic (from ethionic acid, containing sulfur). Developed in synthetic chemistry for creating water-soluble dyes and surfactants.
Aminoethionic compounds are key to how modern synthetic dyes stick to fabric—the amino group loves fibers while the sulfonic acid keeps it dissolved in water, creating a chemical marriage that transformed textile manufacturing.
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