2-Aminonaphthalene-1-sulfonic acid CAS 81-16-3

What is 2-Aminonaphthalene-1-sulfonic acid CAS 81-16-3?

2-Aminonaphthalene-1-sulfonic acid CAS 81-16-3 belongs to the naphthalene sulfonic acid family and contains both amino and sulfonic functional groups that enable further chemical transformation. It is mainly produced through chemical conversion of naphthalene-based sulfonic acid derivatives. In industrial chemistry, the compound is recognized as a key intermediate for producing dyes, pigments, and fluorescent whitening agents used in textile, paper, and related industries.

Specifications

Features

• Dye Intermediate: Acts as an important intermediate for the production of azo dyes and related colorants.
• Reactive Groups: Contains amino and sulfonic groups that allow diverse chemical modification.
• Aromatic Stability: The naphthalene structure provides good stability for industrial synthesis processes.
• Industrial Precursor: Widely used as a starting material for manufacturing dye intermediates and pigment compounds.

Applications

• Azo Dyes: Used as a diazo component in the manufacture of acid dyes and reactive dyes for textiles.
• Pigment Production: Applied in the preparation of pigments such as Lithol Red (Pigment Red 49) and other colorants used in inks and coatings.
• Optical Brighteners: Serves as an intermediate in the synthesis of fluorescent whitening agents used in detergents and paper processing.
• Chemical Intermediates: Used as a precursor for producing other naphthalene sulfonic acid derivatives and specialty organic chemicals.
• Research Use: Applied in laboratory synthesis and chemical research involving aromatic sulfonic compounds.

Packaging

Mikem offers flexible packaging options, including 25 kg of fiber drums for liquid products and 15–25 kg PP/PE bags for powder products, all customizable to meet your specific needs.