Description

5-Acetamido-8-Amino-2-Naphthalenesulfonic Acid is a key naphthalene-based intermediate with a sulfonic acid group and dual amino/acetamido functionalities. This compound matters for its role as a versatile building block in the synthesis of complex dyes, pigments, and specialty chemicals. Industries that need it include manufacturers of azo dyes, acid dyes, and reactive dyes, as well as research institutions developing novel organic molecules.

Application

• Primary Intermediate for Dye Synthesis: A crucial precursor in the manufacturing of azo dyes, acid dyes, and other colorants for textiles, leather, and paper.
• Pharmaceutical Intermediate: Used in research and development for synthesizing more complex molecules with potential biological activity.
• Specialty Chemical Production: Serves as a building block for creating surfactants, corrosion inhibitors, and other functional chemicals that benefit from its aromatic sulfonic acid structure.
• Analytical Reagent: Can be employed in laboratory settings as a reagent or standard for chemical analysis and method development.
• Research & Development: Utilized in academic and industrial R&D for exploring new organic reactions and polymer chemistry.

Basic Information

Product Name	5-Acetamido-8-Amino-2-Naphthalenesulfonic Acid
CAS No.	85-80-3
Molecular Formula	C₁₂H₁₂N₂O₄S
Molecular Weight	280.30 g/mol
Synonyms	5-Acetylamino-8-amino-2-naphthalenesulfonic acid; 8-Amino-5-acetamido-2-naphthalenesulfonic acid; 1,6-Cleve's acid-7-sulfonic acid; 5-Acetamido-8-aminonaphthalene-2-sulfonic acid; 8-Amino-5-acetylamino-2-naphthalenesulfonic acid; 5-Acetamido-8-naphthylamine-2-sulfonic acid; 5-Acetylamino-8-amino-2-naphthalenesulfonic Acid
EINECS	201-633-5

Quality Control

Our 5-Acetamido-8-Amino-2-Naphthalenesulfonic Acid is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications for use in sensitive synthesis applications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Off-white to light brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition (Sulfated Ash)	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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