Description

Sodium 3-[(8-Acetamido-2-Hydroxy-1-Naphthyl)Azo]-5-Chloro-4-Hydroxybenzenesulphonate is a high-purity azo dye intermediate, valued for its precise molecular structure and consistent performance in demanding synthesis processes. This compound is essential for manufacturers requiring reliable and high-quality precursors for the production of specialized dyes and pigments. It is primarily targeted at the fine chemical, textile dye, and advanced material research sectors where colorant development is critical.

Application

• Primary Intermediate for the synthesis of high-value azo dyes and pigments.
• Textile Industry: Key precursor in manufacturing dyes for coloring natural and synthetic fibers.
• Research & Development: Used in academic and industrial labs for developing novel chromophores and functional dyes.
• Specialty Chemicals: Component in formulations for inks, coatings, and other color-sensitive applications.
• Analytical Reagent: Potential use as a staining agent or chemical standard in analytical chemistry.

Basic Information

Product Name	Sodium 3-[(8-Acetamido-2-Hydroxy-1-Naphthyl)Azo]-5-Chloro-4-Hydroxybenzenesulphonate
CAS No.	93940-51-3
Molecular Formula	C19H13ClN3NaO6S
Molecular Weight	469.83 g/mol
Synonyms	Benzenesulfonic acid, 3-[(8-(acetylamino)-2-hydroxy-1-naphthalenyl)azo]-5-chloro-4-hydroxy-, monosodium salt; C.I. 27290; Sodium 3-[(8-acetamido-2-hydroxy-1-naphthyl)azo]-5-chloro-4-hydroxybenzenesulfonate; 5-Chloro-4-hydroxy-3-[(8-acetamido-2-hydroxy-1-naphthyl)azo]benzenesulfonic Acid Sodium Salt; Azo Dye Intermediate 93940-51-3
EINECS	Contact for details

Quality Control

Our production of Sodium 3-[(8-Acetamido-2-Hydroxy-1-Naphthyl)Azo]-5-Chloro-4-Hydroxybenzenesulphonate adheres to stringent quality management protocols to ensure batch-to-batch consistency and purity. Each lot is analyzed against comprehensive specifications using advanced techniques like HPLC and spectroscopy. A Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory 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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Reddish-brown to dark brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Residue on Ignition (Sulfated Ash)	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm

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