Description

5-[(4-Ethoxyphenyl)Azo]-2-Hydroxybenzoic Acid Sodium Salt is a synthetic azo dye intermediate known for its vibrant color properties and chemical stability. This compound is valued for its role as a key precursor in the production of high-performance pigments and dyes, offering excellent lightfastness and thermal resistance. It is primarily sought by manufacturers in the pigments, inks, coatings, and specialty chemical industries for creating consistent and durable colorants.

Application

• Pigment Manufacturing: A crucial intermediate for synthesizing high-performance organic pigments used in industrial coatings and plastics.
• Dye Production: Serves as a key building block for producing azo dyes for textiles, inks, and leather.
• Specialty Inks: Used in the formulation of specialty printing inks requiring specific color shades and stability.
• Research & Development: Employed in chemical R&D for developing new colorants and studying azo compound chemistry.
• Coatings Industry: Incorporated into coating systems where color durability and chemical resistance are critical.
• Masterbatch Production: Used in the production of color concentrates (masterbatches) for plastics.

Basic Information

Product Name	5-[(4-Ethoxyphenyl)Azo]-2-Hydroxybenzoic Acid Sodium Salt
CAS No.	3125-58-4
Molecular Formula	C15H13N2O4Na
Molecular Weight	308.27 g/mol
Synonyms	Sodium 5-[(4-ethoxyphenyl)azo]salicylate; 5-[(p-Ethoxyphenyl)azo]salicylic Acid Sodium Salt; C.I. Solvent Yellow 77; Azoic Coupling Component 5; Ethyl Orange Sodium Salt; Sodium 2-hydroxy-5-[(4-ethoxyphenyl)diazenyl]benzoate
EINECS	221-502-7

Quality Control

Our production of 5-[(4-Ethoxyphenyl)Azo]-2-Hydroxybenzoic Acid Sodium Salt adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency meet the high standards required for industrial intermediates. A Certificate of Analysis (COA) detailing specific test results is provided with each shipment to guarantee traceability and 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). Keep away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	Orange to red-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition (Sulfated Ash)	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm

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