Description

Sodium 6-(Acetylamino)-4-Hydroxynaphthalene-2-Sulphonate is a high-purity, water-soluble naphthalene derivative primarily used as a key intermediate in the synthesis of dyes and pigments. Its structure is critical for imparting specific color properties and stability to the final product. This compound is essential for manufacturers in the dyestuff, textile, and specialty chemical industries seeking reliable and consistent raw materials for their production processes.

Application

• Primary Intermediate for Azo Dyes: Serves as a crucial coupling component in the production of acid dyes and direct dyes for textiles, leather, and paper.
• Pigment Synthesis: Used in the manufacture of organic pigments, including those for inks, coatings, and plastics, where color fastness is required.
• Research & Development: Acts as a building block in chemical research for developing new chromophores and functional materials.
• Specialty Chemical Production: Employed in the synthesis of more complex chemical entities for niche applications in analytical chemistry or as biochemical reagents.

Basic Information

Product Name	Sodium 6-(Acetylamino)-4-Hydroxynaphthalene-2-Sulphonate
CAS No.	20349-44-4
Molecular Formula	C₁₂H₁₀NNaO₆S
Molecular Weight	319.27 g/mol
Synonyms	6-Acetamido-4-hydroxy-2-naphthalenesulfonic Acid Sodium Salt; 6-Acetylamino-4-hydroxy-2-naphthalenesulfonic Acid Sodium Salt; Sodium 6-Acetamido-4-hydroxy-2-naphthalenesulfonate; 4-Hydroxy-6-acetamido-2-naphthalenesulfonic Acid Sodium Salt; N-Acetyl H-Acid Sodium Salt; H-Acid N-Acetyl Sodium Salt; 1-Acetylamino-8-hydroxy-3,6-naphthalenedisulfonic Acid (related isomer); Azoic Coupling Component 18 Sodium Salt
EINECS	243-755-1

Quality Control

Our Sodium 6-(Acetylamino)-4-Hydroxynaphthalene-2-Sulphonate is produced under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and composition. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical characteristics is provided with each shipment to guarantee traceability and compliance with your quality requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product quality and handling.

Specification

Item	Specification
Appearance	Off-white to light beige powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	Conforms
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%
Solubility (1% in Water)	Clear, yellow solution

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