Description

Disodium 5-(Acetylamino)-4-Hydroxy-3-[[4-Methyl-2-[(Phenylsulphonyl)Amino]Phenyl]Azo]Naphthalene-2,7-Disulphonate is a high-purity, synthetic azo dye intermediate characterized by its complex, multi-sulfonated structure. This compound is engineered to deliver exceptional color strength and stability in demanding applications, making it a critical component for manufacturers requiring precise and reliable coloration. It is primarily utilized by the textile, ink, and specialty coatings industries for producing vibrant, wash-fast shades.

Application

• Textile Dyeing: A key intermediate for the synthesis of reactive and direct dyes, particularly for cotton, wool, and nylon, offering excellent wash and light fastness.
• Inkjet Inks: Used in the formulation of high-performance inks for digital textile printing, providing brilliant color and superior substrate adhesion.
• Industrial Coatings: Imparts durable coloration to coatings for plastics, papers, and other specialty materials.
• Biological Staining: Potential use as a specialized stain or marker in histological and cytological applications due to its azo chromophore.
• Research & Development: Serves as a building block for novel dye and pigment synthesis in chemical R&D laboratories.
• Functional Dyes: Can be explored for advanced applications in optics or as a ligand in metal-complex dyes.

Basic Information

Item	Details
Product Name	Disodium 5-(Acetylamino)-4-Hydroxy-3-[[4-Methyl-2-[(Phenylsulphonyl)Amino]Phenyl]Azo]Naphthalene-2,7-Disulphonate
CAS No.	94113-76-5
Molecular Formula	C25H20N4Na2O10S3
Molecular Weight	694.62 g/mol
Synonyms	5-(Acetylamino)-4-hydroxy-3-[[4-methyl-2-[(phenylsulfonyl)amino]phenyl]azo]-2,7-naphthalenedisulfonic acid disodium salt; C.I. Reactive Orange 107; Reactive Orange 107; Disodium 5-acetamido-4-hydroxy-3-[(2-(phenylsulfonamido)-5-methylphenyl)azo]naphthalene-2,7-disulphonate; Azo dye intermediate 94113-76-5; 2,7-Naphthalenedisulfonic acid, 5-(acetylamino)-4-hydroxy-3-((4-methyl-2-((phenylsulfonyl)amino)phenyl)azo)-, disodium salt
EINECS	Contact for details

Quality Control

Our production of Disodium 5-(Acetylamino)-4-Hydroxy-3-[[4-Methyl-2-[(Phenylsulphonyl)Amino]Phenyl]Azo]Naphthalene-2,7-Disulphonate adheres to a stringent quality management system. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and industry standards. Certificates of Analysis (COA) detailing all critical parameters are available upon request to support your quality assurance protocols.

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 nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product performance and handling.

Specification

Item	Specification
Appearance	Reddish-brown to dark 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% Aqueous Solution)	6.0 - 8.0

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