Description

Tetrasodium 4,4'-[(1,4-Dioxo-2-Butene-1,4-Diyl)Bis[Imino(3-Sulphonato-4,1-Phenylene)Imino]]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 excellent chromophore properties and functionalized sulphonate groups, which provide superior solubility and binding affinity. It is primarily required by manufacturers in the textile, specialty ink, and advanced material coating industries for producing vivid and stable colorants.

Application

• Primary Intermediate for Reactive Dyes: Synthesis of high-grade reactive dyes for cotton, wool, and nylon fibers.
• Specialty Ink Formulations: Key component in jet printing inks and security inks requiring specific lightfastness and solubility.
• Functional Polymer Additive: Used in the production of colored polymers and coatings with enhanced UV stability.
• Laboratory & Research Chemical: Serves as a standard or building block in organic synthesis and photochemical research.
• Paper Coloring Agent: For high-quality, color-fast paper products.
• Liquid Crystal Display (LCD) Color Filters: Potential application in electronic display technologies.

Basic Information

Product Name	Tetrasodium 4,4'-[(1,4-Dioxo-2-Butene-1,4-Diyl)Bis[Imino(3-Sulphonato-4,1-Phenylene)Imino]]Bis[1-Amino-9,10-Dihydro-9,10-Dioxoanthracene-2-Sulphonate]
CAS No.	71873-43-3
Molecular Formula	C48H28N4Na4O20S4
Molecular Weight	1188.9 g/mol (approx.)
Synonyms	Reactive Blue 222; C.I. Reactive Blue 222; Tetrasodium 1-amino-4-[4-[4-[2-(4-amino-9,10-dihydro-3-sulfo-9,10-dioxo-1-anthracenyl)amino]-6-sulfo-1,3,5-triazin-2-yl]amino]phenyl]amino-9,10-dihydro-9,10-dioxo-2-anthracenesulfonate; 1-Amino-4-[4-[4-[2-(4-amino-9,10-dihydro-3-sulfo-9,10-dioxo-1-anthryl)amino]-6-sulfo-1,3,5-triazin-2-yl]amino]phenyl]amino-9,10-dihydro-9,10-dioxo-2-anthracenesulfonic Acid Tetrasodium Salt; Anthraquinone Blue Dye Intermediate; Sulphonated Anthraquinone Dye
EINECS	Contact for details

Quality Control

Our production of this dye intermediate adheres to strict quality management systems. Every batch is analyzed to ensure compliance with precise chemical and physical specifications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee batch-to-batch consistency and performance reliability for your formulations.

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). Due to its hygroscopic nature, the container must be kept sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Dark Blue to Bluish-Black Powder
Identification (IR)	Conforms to Structure
Assay (HPLC)	≥ 95.0%
Moisture (KF)	≤ 5.0%
Water Solubility	Freely Soluble
Heavy Metals (as Pb)	≤ 20 ppm
pH (1% Solution)	7.0 - 9.0

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