Description

3-[2-(5-Cyano-1,2-Dihydro-6-Hydroxy-4-Methyl-2-Oxo-3-Pyridinyl)Diazenyl]-4-Methoxybenzenesulfonic Acid is a high-purity, functionalized azo dye intermediate characterized by its sulfonic acid and pyridinone moieties. This compound is valued for its role as a key precursor in the synthesis of advanced colorants and functional materials, offering precise molecular architecture for demanding applications. It is primarily sought by manufacturers in the fine chemicals, specialty dyes, and advanced material research sectors.

Application

• Precursor for High-Performance Dyes and Pigments: Serves as a critical building block for synthesizing azo dyes with enhanced lightfastness, solubility, and color properties for textiles, inks, and coatings.
• Specialty Chemical Synthesis: Used in the production of complex organic molecules for research and development in pharmaceutical and agrochemical intermediates.
• Functional Material Research: Investigated for potential use in the development of organic semiconductors, sensors, or non-linear optical materials due to its conjugated structure.
• Analytical Reagent: May be employed as a standard or reagent in analytical chemistry for method development and calibration.
• Photographic and Imaging Chemicals: Potential application in the formulation of light-sensitive layers or color couplers for specialized imaging processes.

Basic Information

Product Name	3-[2-(5-Cyano-1,2-Dihydro-6-Hydroxy-4-Methyl-2-Oxo-3-Pyridinyl)Diazenyl]-4-Methoxybenzenesulfonic Acid
CAS No.	85539-36-2
Molecular Formula	C15H11N5O6S
Molecular Weight	389.34 g/mol
Synonyms	4-Methoxy-3-[[5-cyano-6-hydroxy-4-methyl-2-oxo-1,2-dihydro-3-pyridinyl]azo]benzenesulfonic acid; 3-[(5-Cyano-6-hydroxy-4-methyl-2-oxo-1,2-dihydro-3-pyridinyl)diazenyl]-4-methoxybenzenesulfonic acid; Benzenesulfonic acid, 3-[2-(5-cyano-1,2-dihydro-6-hydroxy-4-methyl-2-oxo-3-pyridinyl)diazenyl]-4-methoxy-; Azo dye intermediate 85539-36-2; Light-sensitive azo sulfonic acid derivative.
EINECS	Contact for details

Quality Control

Our production of 3-[2-(5-Cyano-1,2-Dihydro-6-Hydroxy-4-Methyl-2-Oxo-3-Pyridinyl)Diazenyl]-4-Methoxybenzenesulfonic Acid adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and industry standards. Certificates of Analysis (COA) documenting all critical quality attributes are provided with each shipment.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Yellow to orange-brown powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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