Description

Trisodium 5-[[5-Methyl-4-[(4-Nitro-2-Sulphonatophenyl)Azo]-2-(3-Sulphonatopropoxy)Phenyl]Azo]Salicylate is a high-purity, water-soluble azo dye intermediate characterized by its multiple sulphonate groups, which impart excellent solubility and stability in aqueous systems. This compound is critical for manufacturers requiring precise colorant synthesis with consistent batch-to-batch performance and reliable supply chain security. It is primarily utilized by producers of specialized dyes and pigments for applications in textiles, inks, and advanced material coatings where color fastness and chemical compatibility are paramount.

Application

• Primary Intermediate for Reactive Dyes: Synthesis of high-performance reactive dyes for cotton and cellulose fiber dyeing.
• Specialty Pigment Manufacturing: Key precursor in the production of pigments for inks, including textile printing inks and industrial inks.
• Functional Colorants for Advanced Materials: Used in developing colorants for non-textile applications such as coatings and specialty polymers.
• Research & Development: Serves as a standard or building block in R&D for novel chromophores and dye chemistry.

Basic Information

Product Name	Trisodium 5-[[5-Methyl-4-[(4-Nitro-2-Sulphonatophenyl)Azo]-2-(3-Sulphonatopropoxy)Phenyl]Azo]Salicylate
CAS No.	74186-17-7
Molecular Formula	C23H17N5Na3O13S3
Molecular Weight	777.55 g/mol
Synonyms	5-[[5-Methyl-4-[(4-Nitro-2-Sulphonatophenyl)Azo]-2-(3-Sulphonatopropoxy)Phenyl]Azo]Salicylic Acid Trisodium Salt; Trisodium 5-[(5-Methyl-4-[(4-nitro-2-sulfonatophenyl)azo]-2-(3-sulfonatopropoxy)phenyl)azo]salicylate; Reactive Dye Intermediate 74186-17-7; Azo Dye Intermediate with Sulphonate Groups; Salicylic acid, 5-[[5-methyl-4-[(4-nitro-2-sulfophenyl)azo]-2-(3-sulfopropoxy)phenyl]azo]-, trisodium salt
EINECS	Contact for details

Quality Control

Our production of Trisodium 5-[[5-Methyl-4-[(4-Nitro-2-Sulphonatophenyl)Azo]-2-(3-Sulphonatopropoxy)Phenyl]Azo]Salicylate adheres to a stringent quality management system. Every batch undergoes rigorous analytical testing to ensure compliance with precise specifications for purity, identity, and performance. Certificates of Analysis (COA) documenting key 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 strong oxidizing agents. The product is hygroscopic (moisture-sensitive); ensure the container is sealed after each use to prevent moisture absorption.

Specification

Item	Specification
Appearance	Reddish-brown to dark brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulphated Ash	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in Water)	Clear solution

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