Description

Disodium 4,4'-[Methylenebis(4,1-Phenyleneimino)]Bis[1-Amino-9,10-Dihydro-9,10-Dioxoanthracene-2-Sulphonate] is a high-purity, water-soluble anthraquinone derivative dye intermediate. This compound is valued for its role in synthesizing specialized dyes and pigments, offering excellent color fastness and thermal stability. It is primarily utilized by manufacturers in the textile, ink, and specialty polymer industries for producing high-performance colorants.

Application

• Textile Dye Intermediate: A key precursor for manufacturing reactive and acid dyes used on cotton, wool, and nylon fibers.
• Functional Pigment Synthesis: Used in the production of high-grade pigments for plastics, coatings, and inks requiring superior weatherability.
• Specialty Polymer Colorant: Imparts color to engineering plastics and synthetic fibers where high-temperature processing is required.
• Liquid Crystal Display (LCD) Color Filters: Serves as a critical intermediate for dyes used in electronic display applications.
• Biological Staining Agent: Potential use as an intermediate for histological stains and diagnostic dyes in life sciences.
• Research & Development: Employed in academic and industrial R&D for developing novel chromophores and functional materials.

Basic Information

Product Name	Disodium 4,4'-[Methylenebis(4,1-Phenyleneimino)]Bis[1-Amino-9,10-Dihydro-9,10-Dioxoanthracene-2-Sulphonate]
CAS No.	25826-34-0
Molecular Formula	C44H26N4Na2O10S2
Molecular Weight	880.80 g/mol
Synonyms	Acid Blue 324; C.I. 61525; Disodium 4,4'-[methylenebis(4,1-phenylenemethanylylidene)]bis[1-amino-9,10-dihydro-9,10-dioxoanthracene-2-sulfonate]; 4,4'-[Methylenebis(4,1-phenyleneimino)]bis[1-amino-9,10-dihydro-9,10-dioxoanthracene-2-sulfonic acid] disodium salt; Reactive Blue 4 (related class); Anthraquinone Blue Dye Intermediate; Mordant Blue 1 analog; 1-Amino-4-[4-[(4-aminophenyl)methyl]phenyl]amino-9,10-dihydro-9,10-dioxoanthracene-2-sulfonic acid disodium salt
EINECS	Contact for details

Quality Control

Our production of Disodium 4,4'-[Methylenebis(4,1-Phenyleneimino)]Bis[1-Amino-9,10-Dihydro-9,10-Dioxoanthracene-2-Sulphonate] adheres to stringent quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and compliance with customer specifications. Certificates of Analysis (COA) documenting all critical parameters are provided with every shipment.

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). This product is hygroscopic (moisture-sensitive) and light-sensitive; containers must be kept tightly sealed after opening to minimize exposure to atmospheric moisture and light.

Specification

Item	Specification
Appearance	Dark blue to violet powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in Water)	Clear, blue solution

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