Description

Sodium m-[[4-[[p-[Bis(2-Hydroxyethyl)Amino]Phenyl]Azo]-1-Naphthyl]Azo]Benzenesulphonate is a high-purity, water-soluble azo dye intermediate of significant commercial importance. This compound is valued for its ability to impart vibrant and stable color properties in advanced formulations. It is primarily required by manufacturers in the textile, ink, and specialty polymer industries seeking reliable and consistent dye precursors for their production processes.

Application

• Textile Dyeing: A key intermediate for synthesizing reactive and direct dyes for coloring cotton, wool, and nylon fibers.
• Ink Manufacturing: Used in the production of pigments for inks in packaging, printing, and writing applications.
• Polymer Coloring: Acts as a colorant precursor for plastics and synthetic fibers to achieve specific hues.
• Biological Staining: Potential use in the formulation of histological stains for laboratory and diagnostic purposes.
• Research & Development: Serves as a critical reagent in chemical research for developing new chromophores and functional materials.
• Specialty Coatings: Employed in creating colored coatings for paper, leather, and other specialty surfaces.

Basic Information

Product Name	Sodium m-[[4-[[p-[Bis(2-Hydroxyethyl)Amino]Phenyl]Azo]-1-Naphthyl]Azo]Benzenesulphonate
CAS No.	67674-28-6
Molecular Formula	C32H30N6Na2O8S2
Molecular Weight	760.71 g/mol
Synonyms	Sodium 3-[[4-[[4-[bis(2-hydroxyethyl)amino]phenyl]azo]-1-naphthyl]azo]benzenesulfonate; Benzenesulfonic acid, 3-[[4-[[4-[bis(2-hydroxyethyl)amino]phenyl]azo]-1-naphthalenyl]azo]-, disodium salt; C.I. 26360; C.I. Direct Brown 1:2; Direct Brown 1:2; Direct Brown 2G; Azoic Diazo Component 1; Disodium 3-[(4-{[4-(bis(2-hydroxyethyl)amino)phenyl]diazenyl}-1-naphthyl)diazenyl]benzenesulfonate
EINECS	Contact for details

Quality Control

Our Sodium m-[[4-[[p-[Bis(2-Hydroxyethyl)Amino]Phenyl]Azo]-1-Naphthyl]Azo]Benzenesulphonate is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, color strength, and solubility. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical properties is provided with each shipment to guarantee traceability and compliance with your technical requirements.

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 each use to prevent absorption of atmospheric moisture, which can affect product performance.

Specification

Item	Specification
Appearance	Dark brown to reddish-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Moisture Content	≤ 5.0%
Solubility (in Water)	Clear solution
Heavy Metals (as Pb)	≤ 20 ppm
pH (1% Solution)	6.0 - 8.0

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