Description

2,2'-[Ethylenebis[Imino(3-Ethoxy-4,1-Phenylene)Azo]]Bis[3-Methylthiazolium] Diacetate is a specialized cationic azo dye and chemical intermediate of significant industrial importance. Its unique molecular structure, featuring a bis-thiazolium core linked by an ethylene-bis-azo bridge, provides distinct colorant and functional properties. This compound is primarily utilized in the production of high-performance dyes and pigments, as well as serving as a key intermediate in advanced material synthesis. Industries requiring precise coloration or specific ionic functionalities, such as textiles, specialty inks, and research chemistry, rely on its consistent quality and performance.

Application

• Textile Dyeing: As a cationic dye for synthetic fibers like modified polyacrylonitrile, providing vibrant and wash-fast colors.
• Specialty Inks: A key colorant component in the formulation of inks for security printing, digital textiles, and high-resolution imaging.
• Biological Staining: Potential use as a histological or cytological stain in life science research due to its ionic and chromophoric nature.
• Chemical Intermediate: Serves as a precursor in the synthesis of more complex dyes, photosensitizers, or functional ionic liquids.
• Paper Coloring: Used in the tinting of specialty papers where specific shade and ionic compatibility are required.
• Liquid Crystal Displays (LCDs): Potential application as a dichroic dye guest in host-guest LCD systems for color filters.

Basic Information

Item	Details
Product Name	2,2'-[Ethylenebis[Imino(3-Ethoxy-4,1-Phenylene)Azo]]Bis[3-Methylthiazolium] Diacetate
CAS No.	94276-19-4
Molecular Formula	C34H42N8O6S2 · 2(C2H3O2)
Molecular Weight	Contact for details
Synonyms	Basic Blue 159; C.I. 110579; Ethylene Blue; 3-Methyl-2-[[4-[2-[4-[(3-methyl-2(3H)-thiazolylidene)azo]-6-ethoxyphenyl]amino]ethyl]phenyl]azo]-2(3H)-thiazolium diacetate; Cationic Blue G; Astra Blue; Azo Thiazolium Dye; Bis-thiazolium azo dye
EINECS	Contact for details

Quality Control

Every batch of 2,2'-[Ethylenebis[Imino(3-Ethoxy-4,1-Phenylene)Azo]]Bis[3-Methylthiazolium] Diacetate undergoes rigorous quality testing to ensure compliance with industry standards for purity, color strength, and ionic content. Our quality assurance protocols are designed to meet the stringent requirements of dye and fine chemical applications. A comprehensive Certificate of Analysis (COA), detailing purity, identity, and key physical-chemical parameters, is provided with each shipment to guarantee traceability and batch-to-batch consistency.

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). Keep the container tightly sealed when not in use to protect from moisture and contamination. Store away from incompatible materials.

Specification

Item	Specification
Appearance	Dark blue to violet powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Color Strength	Standardized vs. reference batch
Loss on Drying	≤ 2.0%
Ash Content	≤ 0.5%
Solubility	Soluble in water, ethanol; slightly soluble in acetone

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