Description

3-Amino-4-[(4-amino-2-sulfophenyl)azo]-5-hydroxy-2,7-naphthalenedisulfonic acid reaction products with 3-[[5-[[4-[(2-chloroethyl)sulfonyl]-1-oxobutyl]amino]-4-hydroxy-2,7-naphthalenedisulfonic acid sodium salt is a specialized, high-value reactive dye intermediate designed for the synthesis of advanced colorants. This compound is critical for achieving specific, high-performance color properties and fastness characteristics in demanding applications. It is primarily utilized by manufacturers in the textile, ink, and specialty chemical industries who require precise and reliable chromophores for their production processes.

Application

• Primary Intermediate for Reactive Dyes: A key building block in the synthesis of high-quality reactive dyes for cotton, viscose, and other cellulosic fibers.
• Textile Colorant Manufacturing: Used to produce dyes with excellent wash-fastness, light-fastness, and brilliant shades for the textile industry.
• Specialty Ink Formulation: Serves as a precursor for pigments and dyes used in high-performance inks for digital and industrial printing.
• Functional Dye Synthesis: Employed in the research and development of functional dyes for non-textile applications, including sensors and optical materials.
• Chemical Research & Development: Used as a standard or reagent in R&D labs focusing on advanced organic synthesis and chromophore design.

Basic Information

Item	Details
Product Name	3-Amino-4-[(4-amino-2-sulfophenyl)azo]-5-hydroxy-2,7-naphthalenedisulfonic acid reaction products with 3-[[5-[[4-[(2-chloroethyl)sulfonyl]-1-oxobutyl]amino]-4-hydroxy-2,7-naphthalenedisulfonic acid sodium salt
CAS No.	457624-86-1
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Reactive Dye Intermediate 457624-86-1; Azo Naphthalene Sulfonic Acid Derivative; C.I. Reactive Orange Precursor; Sodium 3-[[5-[[4-[(2-chloroethyl)sulfonyl]-1-oxobutyl]amino]-4-hydroxy-2,7-naphthalenedisulfonic acid reaction product; Polyazo Disulfonic Acid Intermediate; Textile Dye Intermediate CAS 457624-86-1; Chromophore for Cellulosic Fibers
EINECS	Contact for details

Quality Control

Every batch of this reactive dye intermediate is produced and tested under strict quality management protocols to ensure consistency and purity for your synthesis processes. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, impurity profile, and moisture content. Our quality systems are designed to support the stringent requirements of industrial-scale dye manufacturing.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed when not in use to prevent absorption of atmospheric moisture, which can affect product performance. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark colored powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 95%
Moisture (KF Titration)	Max. 5.0%
Solubility (in Water)	Partially to fully soluble
Heavy Metals (as Pb)	Max. 20 ppm

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