Description

Sodium 4-[[5-Amino-1-(4-Chlorophenyl)-3-Methyl-1H-Pyrazol-4-Yl]Azo]-2,5-Dichlorobenzenesulphonate is a high-purity, synthetic azo compound primarily used as a specialized dye intermediate. Its precise molecular structure is critical for imparting specific color properties and reactivity in advanced manufacturing processes. This chemical is essential for producers of high-performance pigments, dyes, and specialty colorants serving the textile, ink, and advanced materials sectors.

Application

• Primary Intermediate for Azo Dyes and Pigments: Serves as a key building block in the synthesis of high-value, chlorinated azo colorants.
• Textile Dye Manufacturing: Used in the production of dyes for synthetic fibers, offering good light and wash fastness properties.
• Specialty Ink Formulations: Employed in creating pigments for inks used in packaging, security printing, and digital applications.
• Functional Colorant Synthesis: A precursor for colorants used in plastics, coatings, and advanced polymeric materials.
• Research & Development: Utilized in chemical research for developing new chromophores and studying azo coupling reactions.
• Analytical Reagent: Can be used as a standard or reagent in analytical chemistry for method development and calibration.

Basic Information

Item	Detail
Product Name	Sodium 4-[[5-Amino-1-(4-Chlorophenyl)-3-Methyl-1H-Pyrazol-4-Yl]Azo]-2,5-Dichlorobenzenesulphonate
CAS No.	37405-99-5
Molecular Formula	C16H11Cl3N5NaO3S
Molecular Weight	490.70 g/mol
Synonyms	Benzenesulfonic acid, 4-[[5-amino-1-(4-chlorophenyl)-3-methyl-1H-pyrazol-4-yl]azo]-2,5-dichloro-, sodium salt (1:1); C.I. 37055; Sodium 2,5-dichloro-4-[(1-(4-chlorophenyl)-3-methyl-5-amino-1H-pyrazol-4-yl)azo]benzenesulfonate; Azo dye intermediate 37405-99-5; 1-(4-Chlorophenyl)-3-methyl-4-[(2,5-dichloro-4-sulfophenyl)azo]-5-aminopyrazole sodium salt
EINECS	Contact for details

Quality Control

Our production of Sodium 4-[[5-Amino-1-(4-Chlorophenyl)-3-Methyl-1H-Pyrazol-4-Yl]Azo]-2,5-Dichlorobenzenesulphonate adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and meet precise customer specifications. Certificates of Analysis (COA) documenting all critical parameters are 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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Reddish-brown to dark brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residual Solvents (GC)	Meets ICH guidelines
Water Content (Karl Fischer)	Contact for details

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