Description

2,7-Naphthalenedisulfonic Acid, 5-(Benzoylamino)-4-Hydroxy-3-1-Sulfo-6-2-(Sulfooxy)Ethylsulfonyl-2-Naphthalenylazo-, Tetrasodium Salt is a high-purity, water-soluble anionic dye intermediate characterized by its complex polyfunctional structure. This compound is engineered to deliver consistent color strength and excellent fastness properties in demanding industrial applications. It is primarily utilized by manufacturers in the textile, ink, and specialty chemical sectors for the production of high-performance dyes and pigments.

Application

• Primary Intermediate for Reactive Dyes: A key building block in the synthesis of high-quality reactive dyes for cotton, wool, and nylon fibers.
• Textile Printing Inks: Used in the formulation of inks for digital and screen printing on textiles, offering vibrant color and wash-fastness.
• Specialty Pigment Manufacturing: Serves as a functional intermediate in the production of complex organic pigments for coatings and plastics.
• Analytical Chemistry Reagent: Can be employed as a staining agent or a complexometric indicator in specific laboratory analyses.
• Research & Development: Utilized in chemical R&D for developing new chromophores and studying azo dye chemistry and properties.

Basic Information

Product Name	2,7-Naphthalenedisulfonic Acid, 5-(Benzoylamino)-4-Hydroxy-3-1-Sulfo-6-2-(Sulfooxy)Ethylsulfonyl-2-Naphthalenylazo-, Tetrasodium Salt
CAS No.	98114-32-0
Molecular Formula	C31H21N3Na4O18S5
Molecular Weight	Contact for details
Synonyms	Tetrasodium 5-(benzoylamino)-4-hydroxy-3-[(E)-2-[1-sulfo-6-(2-sulfooxyethylsulfonyl)naphthalen-2-yl]diazenyl]-2,7-naphthalenedisulfonate; C.I. Reactive Blue 222; Reactive Blue 222; Reactive Blue H-EGN; 5-Benzamido-4-hydroxy-3-[2-(1-sulfo-6-((2-sulfooxy)ethylsulfonyl)-2-naphthyl)diazenyl]-2,7-naphthalenedisulfonic acid tetrasodium salt; Reactive Blue M-2GE; C.I. 68155
EINECS	Contact for details

Quality Control

Our production of 2,7-Naphthalenedisulfonic Acid, 5-(Benzoylamino)-4-Hydroxy-3-1-Sulfo-6-2-(Sulfooxy)Ethylsulfonyl-2-Naphthalenylazo-, Tetrasodium Salt adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency meet exacting specifications. Certificates of Analysis (COA) detailing key parameters are provided 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). This material is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality and handling properties.

Specification

Item	Specification
Appearance	Dark blue to black powder or granules
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 90%
Moisture (KF)	Max. 5.0%
Water Solubility	Completely soluble
Heavy Metals (as Pb)	Max. 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.