N–3-oxobutanamide
N–3-oxobutanamide (CAS: 122-82-7), also known as p-acetoacetophenetidide or 4′-ethoxyacetoacetanilide, is an acetoacetylated aromatic amide combining an activated methylene keto-amide with an ethoxy-substituted anilide structure. This crystalline intermediate is primarily valued in dye chemistry, where the reactive methylene group between the two carbonyl functions condenses with diazonium salts and coupling components to build azo dye structures with excellent color properties. Its anilide moiety contributes substantivity toward textile fibers, making derived dyes suitable for cotton, wool, and synthetic fabric coloration. The compound also finds application in the synthesis of heterocyclic compounds and as an analytical reagent for carbonyl group detection. Manufactured under controlled conditions to ensure high purity and consistent reactivity, it supports reliable batch-to-batch performance in coloration processes.
– Azo Dye Manufacturing: Used as a coupling component in the synthesis of yellow and orange azo dyes for textile, leather, and ink coloration applications.
– Pigment Production: Serves as a building block for organic pigments requiring bright, lightfast color properties in coatings and plastics.
– Heterocyclic Synthesis: Applied in the construction of pyridone and pyrimidone derivatives through condensation reactions of the activated methylene group.
– Analytical Chemistry: Employed as a reagent for the detection and characterization of aldehydes and ketones in laboratory analysis.
Product Name: N–3-oxobutanamide
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