Description

5-Acetamido-6-Hydroxynaphthalene-2-Sulphonic Acid is a specialized naphthalene derivative featuring a sulphonic acid group, an acetamido substituent, and a phenolic hydroxyl group. This unique structure makes it a valuable key intermediate in the synthesis of complex organic molecules, particularly dyes and pigments. It is essential for manufacturers in the dyestuff, pharmaceutical, and fine chemical industries requiring high-purity building blocks for advanced synthesis.

Application

• Primary Intermediate for Azo Dyes and Pigments: Serves as a crucial coupling component in the production of high-performance, color-fast azo dyes for textiles, inks, and plastics.
• Pharmaceutical Intermediate: Used in the research and synthesis of active pharmaceutical ingredients (APIs) and other bioactive compounds.
• Fine Chemical Synthesis: Acts as a versatile building block for creating complex organic molecules in research and industrial chemistry.
• Chemical Research & Development: Employed in academic and industrial R&D labs for developing new materials and chemical processes.
• Specialty Chemical Manufacturing: Utilized in the production of performance chemicals where specific sulfonated naphthalene structures are required.

Basic Information

Product Name	5-Acetamido-6-Hydroxynaphthalene-2-Sulphonic Acid
CAS No.	80073-10-5
Molecular Formula	C₁₂H₁₁NO₆S
Molecular Weight	297.28 g/mol
Synonyms	6-Hydroxy-5-acetamido-2-naphthalenesulfonic acid; 5-Acetylamino-6-hydroxy-2-naphthalenesulfonic acid; 2-Naphthalenesulfonic acid, 5-(acetylamino)-6-hydroxy-; 5-Acetamido-6-hydroxy-2-naphthalenesulfonic acid; 6-Hydroxy-5-acetamidonaphthalene-2-sulfonic acid; Azoic Coupling Component 18 (obsolete); Naphthol AS-SW (related class)
EINECS	Contact for details

Quality Control

Our production of 5-Acetamido-6-Hydroxynaphthalene-2-Sulphonic Acid adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting industry specifications. A detailed Certificate of Analysis (COA) is provided with each shipment to guarantee traceability and consistency.

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 acids and organic solvents. The container must be kept tightly closed to protect from moisture.

Specification

Item	Specification
Appearance	Off-white to light brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Sulfated Ash	≤ 0.5%
Heavy Metals	≤ 20 ppm

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