Description

p-[(5-Cyano-2,6-Dihydroxy-4-Methyl-3-Pyridyl)Azo]Benzenesulphonamide is a specialized azo dye intermediate characterized by its complex heterocyclic structure, which is critical for imparting specific colorant properties and reactivity. This compound matters for its role as a high-value precursor in the synthesis of advanced dyes and pigments, offering precise chromophore control for demanding applications. It is primarily needed by manufacturers in the fine chemicals, specialty dyes, and advanced materials sectors seeking to develop products with enhanced color fastness, stability, and performance characteristics.

Application

• Specialty Dye Synthesis: As a key intermediate for producing high-performance azo dyes used in textiles, inks, and coatings.
• Functional Pigment Manufacturing: For creating pigments with specific optical properties for plastics, paints, and advanced materials.
• Research & Development: Serving as a building block in chemical research for novel chromophores and photoactive compounds.
• Analytical Reagents: Potential use in the formulation of colorimetric indicators and sensors for analytical chemistry.
• Fine Chemical Production: As a precursor in multi-step organic syntheses for pharmaceuticals or agrochemicals requiring specific azo linkages.

Basic Information

Product Name	p-[(5-Cyano-2,6-Dihydroxy-4-Methyl-3-Pyridyl)Azo]Benzenesulphonamide
CAS No.	16539-99-4
Molecular Formula	C14H11N5O4S
Molecular Weight	345.33 g/mol
Synonyms	Benzenesulfonamide, 4-[(5-cyano-2,6-dihydroxy-4-methyl-3-pyridinyl)azo]-; 4-[(5-Cyano-2,6-dihydroxy-4-methyl-3-pyridinyl)azo]benzenesulfonamide; Azo dye intermediate 16539-99-4; 5-Cyano-2,6-dihydroxy-4-methyl-3-(4-sulfamoylphenylazo)pyridine; p-(5-Cyano-2,6-dihydroxy-4-methyl-3-pyridylazo)benzenesulphonamide
EINECS	Contact for details

Quality Control

Our p-[(5-Cyano-2,6-Dihydroxy-4-Methyl-3-Pyridyl)Azo]Benzenesulphonamide is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and compliance with customer specifications. Certificates of Analysis (COA) documenting all critical parameters are available upon request 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). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be opaque or stored in dark conditions.

Specification

Item	Specification
Appearance	Orange to red-brown powder
Identification (IR)	Conforms to structure
Assay (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.