Description

5-[(3-Carboxy-4-Chlorophenyl)Azo]Salicylic Acid CAS NO 93964-55-7 is a specialized azo dye intermediate characterized by its distinct molecular structure combining salicylic acid and chlorinated benzoic acid moieties. This compound is valued for its role in synthesizing high-performance pigments and dyes with excellent color fastness and thermal stability. It is primarily sought by manufacturers in the pigments, dyes, and specialty chemical industries for producing colors used in inks, coatings, and plastics.

Application

• Primary Intermediate for Azo Pigments: Serves as a key precursor in the synthesis of high-performance yellow, orange, and red azo pigments.
• Dye Manufacturing: Used in the production of acid dyes and solvent dyes for textiles and leather.
• Specialty Inks: A crucial component in formulating specialty printing inks, including those for packaging and security applications.
• Industrial Coatings: Imparts color and stability to coatings for automotive, industrial, and architectural applications.
• Plastics and Polymers Coloring: Employed as a colorant masterbatch for coloring engineering plastics and synthetic fibers.
• Research & Development: Used in chemical research for developing new chromophores and studying azo coupling reactions.

Basic Information

Product Name	5-[(3-Carboxy-4-Chlorophenyl)Azo]Salicylic Acid
CAS No.	93964-55-7
Molecular Formula	C14H9ClN2O5
Molecular Weight	320.68 g/mol
Synonyms	5-[(3-Carboxy-4-chlorophenyl)diazenyl]-2-hydroxybenzoic acid; 2-Hydroxy-5-[(3-carboxy-4-chlorophenyl)azo]benzoic acid; 4-Chloro-3-[(5-carboxy-2-hydroxyphenyl)azo]benzoic acid; C.I. Pigment Yellow; Azo Salicylic Acid Derivative; Light Fast Yellow Intermediate; Chlorinated Azo Dye Intermediate
EINECS	Contact for details

Quality Control

Our production of 5-[(3-Carboxy-4-Chlorophenyl)Azo]Salicylic Acid adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing to ensure consistent purity, color strength, and chemical identity. We provide detailed Certificates of Analysis (COA) that document key parameters such as assay, impurity profile, and physical characteristics, supporting your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Yellow to Orange Powder
Identification (IR)	Conforms to Standard
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual ≤ 0.5%, Total ≤ 1.5%

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