Description

1-Aminonaphthalene-6-Sulfonic Acid is a key aromatic sulfonic acid derivative, serving as a versatile intermediate in the synthesis of complex organic molecules. Its value lies in its bifunctional structure, containing both an aromatic amine and a sulfonic acid group, which makes it a crucial building block for creating dyes, pigments, and other specialty chemicals. This compound is primarily needed by manufacturers in the dye and pigment industry, as well as by research institutions and fine chemical producers developing advanced materials and pharmaceutical intermediates.

Application

• Dye and Pigment Intermediate: A primary precursor in the synthesis of azo dyes, acid dyes, and other colorants for textiles, leather, and paper.
• Pharmaceutical Synthesis: Used as a building block in the research and development of active pharmaceutical ingredients (APIs) and diagnostic agents.
• Chemical Research: Serves as a model compound and starting material in organic synthesis for creating more complex naphthalene derivatives.
• Corrosion Inhibitor Formulation: A component in specialty chemical formulations designed to protect metal surfaces.
• Photographic Chemicals: Used in the manufacture of certain photographic developers and sensitizers.
• Analytical Reagent: Employed in laboratory settings as a reagent for specific chemical analyses and detection methods.

Basic Information

Item	Detail
Product Name	1-Aminonaphthalene-6-Sulfonic Acid
CAS No.	119-79-9
Molecular Formula	C10H9NO3S
Molecular Weight	223.25 g/mol
Synonyms	6-Amino-1-naphthalenesulfonic Acid; 1,6-Cleve's Acid; 6-Amino-1-naphtholsulfonic Acid; 1-Naphthylamine-6-sulfonic Acid; 6-Amino-1-naphthalenesulphonic Acid; Cleve's Acid-6; 1-Amino-6-sulfonaphthalene; 6-Amino-1-sulfonaphthalene
EINECS	204-355-4

Quality Control

Our 1-Aminonaphthalene-6-Sulfonic Acid is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for identity, purity, and impurity profiles. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, moisture content, and heavy metal limits. Our commitment to consistent quality and reliable supply is fundamental to supporting your production and research needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases. The product may be moisture-sensitive; ensure containers are kept sealed when not in use to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Off-white to light gray powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Sulfated Ash	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 2.0%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.