Description

4,4'-[Anthraquinone-1,4-Diyldiiminobis(4,1-Phenylene)Bisoxy]Bis(Benzenesulfonic Acid) is a high-purity, functionalized anthraquinone derivative with significant industrial utility. This compound is valued for its role as a key intermediate in the synthesis of specialized dyes and functional polymers, where its sulfonic acid groups and anthraquinone core impart specific chemical and optical properties. It is primarily sought after by manufacturers in the advanced dye, specialty chemical, and polymer research sectors for developing products with enhanced performance characteristics.

Application

• Dye and Pigment Intermediate: A critical building block for synthesizing high-value, colorfast anthraquinone-based dyes and pigments.
• Functional Polymer Synthesis: Used in the production of specialty polymers, including polyimides and polyamides, for applications requiring thermal stability and specific chromophoric properties.
• Optical Material Research: Serves as a precursor in the development of organic semiconductors, photoconductive materials, and non-linear optical (NLO) materials.
• Analytical Chemistry Reagent: Employed as a specialized reagent or standard in chromatographic analysis and other laboratory procedures.
• Liquid Crystal Displays (LCDs): Potential use as a dopant or intermediate in the manufacture of color filters and alignment layers for display technologies.

Basic Information

Item	Detail
Product Name	4,4'-[Anthraquinone-1,4-Diyldiiminobis(4,1-Phenylene)Bisoxy]Bis(Benzenesulfonic Acid)
CAS No.	73688-63-8
Molecular Formula	C40H28N2O10S2
Molecular Weight	760.79 g/mol
Synonyms	1,4-Bis[4-[4-(4-sulfophenoxy)anilino]anthraquinone; Solvent Blue 104 intermediate; Anthraquinone Blue Dye Intermediate; 4,4'-[1,4-Anthraquinonediylbis(imino-4,1-phenyleneoxy)]dibenzenesulfonic acid; 1,4-Bis[(4-sulfophenoxy)phenylamino]anthraquinone; CI 61585 Intermediate; CAS 73688-63-8
EINECS	Contact for details

Quality Control

Our production of 4,4'-[Anthraquinone-1,4-Diyldiiminobis(4,1-Phenylene)Bisoxy]Bis(Benzenesulfonic Acid) adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency meet the exacting standards required for advanced chemical synthesis. Certificates of Analysis (COA) documenting key parameters are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at ambient temperature (15-25°C). Keep away from strong bases and oxidizing agents. Due to its acidic nature, ensure storage containers are made of compatible materials.

Specification

Item	Specification
Appearance	Dark blue to violet powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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