Description

4-[(5-Cyano-1-Ethyl-1,6-Dihydro-2-Hydroxy-4-Methyl-6-Oxo-3-Pyridyl)Azo]Benzene-1,3-Disulphonic Acid is a high-purity, functionalized azo dye intermediate characterized by its sulfonic acid groups and complex heterocyclic structure. This compound is valued for its role as a key precursor in the synthesis of specialized dyes and pigments, offering excellent water solubility and chromophoric properties. It is primarily required by manufacturers in the fine chemicals, specialty dyes, and advanced material research sectors.

Application

• Precursor for Reactive Dyes: A key intermediate in manufacturing high-performance reactive dyes for textiles, particularly cotton and other cellulose fibers.
• Specialty Pigment Synthesis: Used in the production of complex organic pigments for inks, coatings, and plastics requiring specific color fastness and solubility.
• Biochemical Staining Agents: Serves as a starting material for synthesizing specialized stains and indicators used in histology and analytical chemistry.
• Functional Material Research: Investigated for use in the development of advanced materials, such as dye-sensitized solar cells (DSSCs) and photochromic compounds.
• Liquid Crystal Dyes (LCD): Potential application in the synthesis of dyes for electronic displays due to its stable chromophore.
• Analytical Reagent: Can be utilized as a complexing agent or colorimetric reagent in specific analytical methodologies.

Basic Information

Product Name	4-[(5-Cyano-1-Ethyl-1,6-Dihydro-2-Hydroxy-4-Methyl-6-Oxo-3-Pyridyl)Azo]Benzene-1,3-Disulphonic Acid
CAS No.	73280-79-2
Molecular Formula	C16H15N5O7S2
Molecular Weight	453.45 g/mol
Synonyms	4-[(5-Cyano-1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-3-pyridinyl)azo]-1,3-benzenedisulfonic acid; 1,3-Benzenedisulfonic acid, 4-[(5-cyano-1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-3-pyridinyl)azo]-; C.I. Reactive Yellow 176 intermediate; Azo pyridone dye intermediate; 3-Pyridinecarboxylic acid, 5-[(4,6-disulfo-1,3-phenylene)azo]-1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-; Reactive Yellow 176 precursor
EINECS	Contact for details

Quality Control

Our production of 4-[(5-Cyano-1-Ethyl-1,6-Dihydro-2-Hydroxy-4-Methyl-6-Oxo-3-Pyridyl)Azo]Benzene-1,3-Disulphonic 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 parameters are provided and available upon request.

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 acids and organic solvents. The container should be kept tightly sealed to protect the hygroscopic material from moisture.

Specification

Item	Specification
Appearance	Yellow to orange-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Sulfated Ash	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (1% in Water)	Clear, yellow solution

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