Description

5-[(p-Sulfophenyl)Azo]Salicylic Acid Acetate Methyl Ester Potassium Salt is a specialized azo dye intermediate and functional chemical compound. It is valued for its role as a key precursor in the synthesis of high-performance dyes and pigments, offering excellent color properties and structural versatility. This product is essential for manufacturers and R&D facilities in the colorant, specialty chemical, and analytical reagent industries seeking reliable, high-purity intermediates.

Application

• Dye and Pigment Synthesis: A critical intermediate for producing azo dyes, particularly acid dyes and reactive dyes used in textiles, leather, and paper.
• Colorant for Industrial Applications: Used in the formulation of inks, coatings, and plastics where specific color shades and stability are required.
• Analytical Chemistry Reagent: Employed as a chromogenic agent or indicator in various spectrophotometric and complexometric titration methods.
• Research & Development: Serves as a building block in organic synthesis for novel compounds in material science and pharmaceutical research.
• Specialty Chemical Manufacturing: Used in the production of functional chemicals where the sulfonate and azo groups impart specific solubility or ionic characteristics.

Basic Information

Product Name	5-[(p-Sulfophenyl)Azo]Salicylic Acid Acetate Methyl Ester Potassium Salt
CAS No.	34265-46-8
Molecular Formula	C16H13KN2O7S
Molecular Weight	416.45 g/mol
Synonyms	Potassium 5-[(4-sulfophenyl)azo]-2-hydroxybenzoate acetate methyl ester; 5-[(p-Sulfophenyl)azo]salicylic acid methyl ester acetate potassium salt; 2-Hydroxy-5-[(4-sulfophenyl)azo]benzoic acid methyl ester acetate potassium salt; Azo Dye Intermediate Yellow 5G; CI 19140 Potassium Salt derivative; Methyl 5-[(4-sulfophenyl)azo]salicylate acetate potassium salt; p-Sulfophenylazosalicylic Acid Methyl Ester Acetate K Salt
EINECS	Contact for details

Quality Control

Our 5-[(p-Sulfophenyl)Azo]Salicylic Acid Acetate Methyl Ester Potassium Salt is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and industry standards. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment.

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 minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	Yellow to orange-yellow powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition (Sulfated Ash)	Contact for details
Solubility	Soluble in water, slightly soluble in ethanol

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