Description

Sodium 4-[(5-Amino-3-Methyl-1-Phenyl-1H-Pyrazol-4-Yl)Azo]-2,5-Dichlorobenzenesulphonate is a high-purity azo dye intermediate essential for producing vibrant and stable colorants. This compound matters for its role in synthesizing specialized dyes with excellent light and wash fastness properties. It is primarily needed by manufacturers in the textile, ink, and specialty chemical industries seeking reliable intermediates for high-performance pigment and dye production.

Application

• Primary Intermediate for Azo Dyes: A key building block in the synthesis of high-value, complex azo dyes and pigments.
• Textile Dyeing: Used in the production of dyes for coloring natural and synthetic fibers, offering good color yield and fastness.
• Ink Formulation: Serves as a precursor for pigments used in printing inks, including those for packaging and publications.
• Specialty Chemical Synthesis: Employed in organic synthesis and research to create novel chromophores and functional materials.
• Laboratory Reagent: Used as a standard or reagent in analytical and research laboratories focusing on dye chemistry.

Basic Information

Product Name	Sodium 4-[(5-Amino-3-Methyl-1-Phenyl-1H-Pyrazol-4-Yl)Azo]-2,5-Dichlorobenzenesulphonate
CAS No.	69762-08-9
Molecular Formula	C16H12Cl2N5NaO3S
Molecular Weight	464.26 g/mol
Synonyms	Benzenesulfonic acid, 2,5-dichloro-4-[(5-amino-3-methyl-1-phenyl-1H-pyrazol-4-yl)azo]-, sodium salt; Sodium 2,5-dichloro-4-[(5-amino-3-methyl-1-phenyl-1H-pyrazol-4-yl)azo]benzenesulfonate; Azo dye intermediate 69762-08-9; 4-[(5-Amino-3-methyl-1-phenyl-1H-pyrazol-4-yl)azo]-2,5-dichlorobenzenesulfonic acid sodium salt; C.I. Azoic Diazo Component (related); Light-sensitive azo compound
EINECS	Contact for details

Quality Control

Our Sodium 4-[(5-Amino-3-Methyl-1-Phenyl-1H-Pyrazol-4-Yl)Azo]-2,5-Dichlorobenzenesulphonate is manufactured under strict quality management systems. Every 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 each 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). Keep away from incompatible materials such as strong oxidizing agents. Due to its light-sensitive nature, containers should be kept in the dark or in opaque packaging.

Specification

Item	Specification
Appearance	Reddish-brown to dark brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition (Sulfated Ash)	≤ 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.