Description

8-Acetamido-1-Naphthol-5-Sulfonic Acid is a key sulfonated naphthalene derivative used as a versatile intermediate in the synthesis of dyes and pigments. Its molecular structure provides excellent coupling properties and chromophore development, making it valuable for creating high-performance colorants. This compound is primarily utilized by manufacturers in the dye and pigment industries, as well as in research and development for specialty chemical synthesis.

Application

• Primary Intermediate for Azo Dyes: A crucial coupling component in the production of acid, direct, and reactive azo dyes, imparting color strength and specific shades like blacks, blues, and browns.
• Pigment Manufacturing: Serves as a building block for organic pigments used in inks, paints, plastics, and textile printing.
• Research & Development: Used in chemical research for synthesizing novel chromophores and studying sulfonation and azo coupling reactions.
• Specialty Chemical Synthesis: Acts as a precursor for other functional chemicals, including potential pharmaceutical intermediates or analytical reagents.

Basic Information

Product Name	8-Acetamido-1-Naphthol-5-Sulfonic Acid
CAS No.	6357-80-8
Molecular Formula	C₁₂H₁₁NO₅S
Molecular Weight	281.28 g/mol
Synonyms	5-Amino-4-hydroxy-1-naphthalenesulfonic acid acetate; 1-Naphthol-5-sulfonic acid, 8-acetamido-; 8-Acetylamino-1-naphthol-5-sulfonic acid; 8-Acetamido-1-naphthol-5-sulfonic acid; 8-Acetamido-5-hydroxy-1-naphthalenesulfonic acid; 8-Acetylamino-5-hydroxy-1-naphthalenesulfonic acid; 5-Hydroxy-8-acetamido-1-naphthalenesulfonic acid
EINECS	228-767-6

Quality Control

Our 8-Acetamido-1-Naphthol-5-Sulfonic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistent purity and performance. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment to guarantee compliance with your specifications.

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). This material is hygroscopic (moisture-sensitive) and light-sensitive; therefore, containers must be kept tightly sealed after opening to minimize exposure to atmospheric moisture and light.

Specification

Item	Specification
Appearance	Off-white to light brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
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.