Description

Tripotassium 4-[(4-amino-9,10-dihydro-9,10-dioxo-3-sulphonato-1-anthryl)amino]-6-[[5-chloro-6-methyl-2-(methylsulphonyl)pyrimidin-4-yl]amino]benzene-1,3-disulphonate is a high-purity, water-soluble reactive dye intermediate of significant commercial importance. Its core value lies in its role as a key precursor for synthesizing high-performance, wash-fast reactive dyes, particularly in the blue to green spectrum. This compound is essential for manufacturers in the textile, ink, and specialty chemical industries seeking to produce dyes with excellent color strength, stability, and fiber reactivity.

Application

• Primary Intermediate for Reactive Dyes: Critical building block for the synthesis of high-quality reactive dyes used in cotton, viscose, and other cellulosic fiber dyeing and printing.
• Textile Industry: Enables the production of dyes with superior wash, light, and perspiration fastness properties for apparel and home textiles.
• Ink Formulation: Used in the manufacture of specialty inks, including inks for digital textile printing, where color purity and stability are paramount.
• Research & Development: Serves as a key starting material in R&D labs for developing novel chromophores and dye systems with enhanced environmental or performance profiles.
• Leather Coloring: Applicable in the production of dyes for leather finishing, providing vibrant and durable colors.
• Paper Coloring: Potential use in the manufacture of dyes for high-grade paper and specialty packaging requiring specific color properties.

Basic Information

Product Name	Tripotassium 4-[(4-amino-9,10-dihydro-9,10-dioxo-3-sulphonato-1-anthryl)amino]-6-[[5-chloro-6-methyl-2-(methylsulphonyl)pyrimidin-4-yl]amino]benzene-1,3-disulphonate
CAS No.	72639-33-9
Molecular Formula	C32H21ClK3N6O14S4
Molecular Weight	1011.43 g/mol
Synonyms	Reactive Blue 222 Intermediate; C.I. Reactive Blue 222; Tripotassium 1-amino-4-[[4-[(5-chloro-4-methyl-6-(methylsulfonyl)-2-pyrimidinyl)amino]-2-sulfophenyl]amino]-9,10-dihydro-9,10-dioxo-2-anthracenesulfonate; 1-Amino-4-[[4-[(5-chloro-4-methyl-6-(methylsulfonyl)-2-pyrimidinyl)amino]-2-sulfophenyl]amino]anthraquinone-2-sulfonic Acid Tripotassium Salt; CAS 72639-33-9; Reactive Blue 222 (acid form intermediate); Anthraquinone-based reactive dye intermediate
EINECS	Contact for details

Quality Control

Our tripotassium 4-[(4-amino-9,10-dihydro-9,10-dioxo-3-sulphonato-1-anthryl)amino]-6-[[5-chloro-6-methyl-2-(methylsulphonyl)pyrimidin-4-yl]amino]benzene-1,3-disulphonate is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise specifications for dye synthesis. Certificates of Analysis (COA) detailing purity, impurity profile, and other critical parameters are provided with each shipment to guarantee batch-to-batch consistency and reliable performance in 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). Keep away from strong oxidizing agents. The product is hygroscopic (moisture-sensitive); ensure containers are sealed after use to prevent moisture absorption.

Specification

Item	Specification
Appearance	Dark blue to violet powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0% (typical 97-99%)
Purity (HPLC, Area %)	≥ 98.0%
Water Content (KF)	≤ 5.0%
Solubility (in Water)	Freely soluble
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%, Total impurities ≤ 2.0%

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