Description

5-(3-Cyano-5-Hydroxy-1-Phenyl-1H-Pyrazol-4-Ylazo)-2-(2-Methoxyethoxy)Benzenesulfonic Acid Sodium Salt is a high-purity, water-soluble azo dye intermediate designed for precision manufacturing. This compound is valued for its ability to impart specific color and functional properties in advanced chemical synthesis. It is primarily utilized by manufacturers in the specialty dyes and pigments, textile chemicals, and advanced material research sectors seeking reliable and consistent performance.

Application

• Key intermediate for the synthesis of high-performance azo dyes and pigments.
• Used in the production of specialized colorants for textile printing and dyeing processes.
• Functional component in the research and development of advanced polymeric materials and coatings.
• Precursor for analytical reagents and biochemical staining agents in laboratory settings.
• Potential use in the formulation of sensitizers and photoactive compounds for imaging technologies.
• Employed in the fine chemical industry for custom synthesis and contract manufacturing projects.

Basic Information

Product Name	5-(3-Cyano-5-Hydroxy-1-Phenyl-1H-Pyrazol-4-Ylazo)-2-(2-Methoxyethoxy)Benzenesulfonic Acid Sodium Salt
CAS No.	82857-43-0
Molecular Formula	C19H16N5O6S•Na
Molecular Weight	465.42 g/mol
Synonyms	Sodium 5-(3-cyano-5-hydroxy-1-phenyl-1H-pyrazol-4-ylazo)-2-(2-methoxyethoxy)benzenesulfonate; Benzenesulfonic acid, 5-(3-cyano-5-hydroxy-1-phenyl-1H-pyrazol-4-ylazo)-2-(2-methoxyethoxy)-, sodium salt; Azo dye intermediate 82857-43-0; 4-[(E)-(3-Cyano-5-hydroxy-1-phenyl-1H-pyrazol-4-yl)diazenyl]-2-(2-methoxyethoxy)benzenesulfonic acid sodium salt
EINECS	Contact for details

Quality Control

Our production of this azo dye intermediate adheres to stringent quality control protocols to ensure batch-to-batch consistency and high chemical purity. Every lot is tested against established internal specifications, which typically include identity confirmation, purity assay, and impurity profiling. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment to support 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 room temperature (15-25°C). Keep away from incompatible materials and sources of heat or ignition.

Specification

Item	Specification
Appearance	Orange to brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Residue on Ignition	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm

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