Description

6'-[(4-Aminobenzoyl)Amino]-2-Ethoxy-4-[(2,5-Dichloro-4-Sodiosulfophenyl)Azo]-1'-Hydroxy-[1,2'-Azobisnaphthalene]-3',6-Disulfonic Acid Disodium Salt is a high-purity, water-soluble azo dye intermediate of significant industrial importance. Its complex polyfunctional structure provides excellent chromophoric properties and reactivity, making it a critical building block for synthesizing specialized dyes and pigments. This compound is primarily sought by manufacturers in the textile, ink, and specialty chemical sectors for producing vivid, high-performance colorants with enhanced fastness properties.

Application

• Primary Intermediate for Reactive Dyes: Key precursor in the synthesis of high-quality reactive dyes for cotton, wool, and polyamide fibers.
• Specialty Pigment Manufacturing: Used to create complex organic pigments for inks, coatings, and plastics requiring specific color shades and stability.
• Functional Dye Synthesis: Building block for dyes used in biological staining, pH indicators, and other analytical applications.
• Textile Colorant Production: Essential for manufacturing dyes that offer excellent wash-fastness and light-fastness on textile substrates.
• Research & Development: Serves as a valuable chemical entity in R&D for developing novel chromophores and functional materials.

Basic Information

Item	Details
Product Name	6'-[(4-Aminobenzoyl)Amino]-2-Ethoxy-4-[(2,5-Dichloro-4-Sodiosulfophenyl)Azo]-1'-Hydroxy-[1,2'-Azobisnaphthalene]-3',6-Disulfonic Acid Disodium Salt
CAS No.	5893-32-3
Molecular Formula	C35H22Cl2N6Na2O12S3
Molecular Weight	923.62 g/mol
Synonyms	Acid Red 114; C.I. 23635; 6'-[(4-Aminobenzoyl)amino]-2-ethoxy-4-[(2,5-dichloro-4-sulfophenyl)azo]-1'-hydroxy-1,2'-azonaphthalene-3',6-disulfonic acid disodium salt; 1,2'-Azobis(6-hydroxy-3-sulfo-2-naphthalenecarboxylic acid) derivative; Reactive Red Dye Intermediate; Azo Dye Intermediate 5893-32-3; Disodium 6'-[(4-aminobenzoyl)amino]-2-ethoxy-4-[(2,5-dichloro-4-sulfophenyl)azo]-1'-hydroxy-[1,2'-azonaphthalene]-3',6-disulfonate
EINECS	Contact for details

Quality Control

Our production of 6'-[(4-Aminobenzoyl)Amino]-2-Ethoxy-4-[(2,5-Dichloro-4-Sodiosulfophenyl)Azo]-1'-Hydroxy-[1,2'-Azobisnaphthalene]-3',6-Disulfonic Acid Disodium Salt adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure consistent performance and batch-to-batch reliability. Certificates of Analysis (COA) detailing purity, impurity profile, and physical specifications are provided to guarantee 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); keep the container tightly sealed when not in use to prevent absorption of moisture from the air. Keep away from strong oxidizing agents.

Specification

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

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