Description

Disodium 4,4'-[(9,10-Dihydro-9,10-Dioxo-1,4-Anthrylene)Diimino]Bis[3,5-Diethyltoluene-2-Sulphonate] is a high-purity, water-soluble anthraquinone derivative dye intermediate. This compound is valued for its excellent chromophore properties and stability, making it a critical building block for advanced colorants. It is primarily sought by manufacturers in the textile, ink, and specialty polymer industries for producing vivid and durable dyes and pigments.

Application

• Textile Dyeing: As a key intermediate for synthesizing reactive and acid dyes for wool, silk, and nylon fibers.
• Ink Manufacturing: Used in the production of high-performance inks for digital printing and packaging, offering superior color strength.
• Specialty Polymers: Incorporated as a colorant monomer or additive in engineering plastics and coatings to provide consistent coloration.
• Liquid Crystal Displays (LCDs): Potential application as a dichroic dye intermediate for color filters in display technologies.
• Analytical Chemistry: May serve as a staining agent or indicator in specific biochemical and histochemical assays.
• Research & Development: Utilized in organic synthesis for developing novel photochromic or electrochromic materials.

Basic Information

Product Name	Disodium 4,4'-[(9,10-Dihydro-9,10-Dioxo-1,4-Anthrylene)Diimino]Bis[3,5-Diethyltoluene-2-Sulphonate]
CAS No.	72749-79-2
Molecular Formula	C38H38N2Na2O10S2
Molecular Weight	808.81 g/mol
Synonyms	Disodium 1,4-bis[(2,6-diethyl-4-sulfonato-m-tolyl)amino]anthraquinone-9,10-dione; Acid Blue 324; C.I. 62125; 1,4-Bis[(2,6-diethyl-4-sulfonato-m-tolyl)amino]anthraquinone disodium salt; Anthraquinone Blue 324; Disodium 1,4-bis[(2,6-diethyl-4-sulfophenyl)amino]-9,10-dihydro-9,10-dioxoanthracene; Reactive Blue 324 intermediate
EINECS	Contact for details

Quality Control

Our production of Disodium 4,4'-[(9,10-Dihydro-9,10-Dioxo-1,4-Anthrylene)Diimino]Bis[3,5-Diethyltoluene-2-Sulphonate] adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications. Certificates of Analysis (COA) documenting all critical parameters are provided with each shipment to guarantee traceability and compliance.

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

Specification

Item	Specification
Appearance	Dark blue to violet powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
pH (1% Solution)	7.0 - 9.0
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.