Description

1-Amino-9,10-Dihydro-4-[[5-[(2-Hydroxyethyl)Sulphonyl]-2-Methoxyphenyl]Amino]-9,10-Dioxoanthracene-2-Sulphonic Acid is a high-purity, specialized anthraquinone derivative that serves as a critical intermediate for advanced colorant synthesis. Its molecular structure, featuring both sulphonic acid and amino functionalities, provides excellent water solubility and reactivity for creating vibrant, stable dyes and pigments. This compound is essential for manufacturers in the textile, ink, and specialty chemical industries seeking to develop high-performance, environmentally compatible colorants.

Application

• Primary Intermediate for Reactive Dyes: A key building block in the synthesis of high-grade reactive dyes for cotton, wool, and nylon, offering excellent wash and light fastness.
• Specialty Pigment Manufacturing: Used in the production of high-performance organic pigments for inks, coatings, and plastics, where color strength and stability are paramount.
• Functional Dye Synthesis: Serves as a precursor for functional dyes used in non-textile applications, such as laser dyes, optical data storage, and sensitizers.
• Research & Development: A valuable compound for R&D laboratories focusing on novel chromophore development, dye-sensitized solar cells (DSSCs), and advanced material science.
• Fine Chemical Synthesis: Employed as a sophisticated intermediate in multi-step organic syntheses for pharmaceuticals and agrochemicals requiring specific anthraquinone scaffolds.

Basic Information

Product Name	1-Amino-9,10-Dihydro-4-[[5-[(2-Hydroxyethyl)Sulphonyl]-2-Methoxyphenyl]Amino]-9,10-Dioxoanthracene-2-Sulphonic Acid
CAS No.	79641-28-4
Molecular Formula	C23H19N2O9S2
Molecular Weight	531.53 g/mol
Synonyms	1-Amino-4-[[5-[(2-hydroxyethyl)sulfonyl]-2-methoxyphenyl]amino]-9,10-dihydro-9,10-dioxoanthracene-2-sulfonic acid; C.I. Reactive Blue 222 Intermediate; Anthraquinone Blue Intermediate; 1-Amino-4-(5-(2-hydroxyethylsulfonyl)-2-methoxyanilino)anthraquinone-2-sulfonic acid; Reactive Blue 222 Precursor; 79641-28-4; 4-[[5-[(2-Hydroxyethyl)sulfonyl]-2-methoxyphenyl]amino]-1-amino-9,10-dihydro-9,10-dioxo-2-anthracenesulfonic acid
EINECS	Contact for details

Quality Control

Our production of this anthraquinone intermediate adheres to stringent quality control protocols to ensure batch-to-batch consistency and high chemical purity. Each lot is analyzed using advanced techniques including HPLC and spectroscopic methods to confirm identity and assay. A comprehensive Certificate of Analysis (COA) detailing purity, impurity profile, and physical characteristics is provided with every shipment, ensuring full traceability and compliance with your specific application requirements.

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 away from strong acids and incompatible organic solvents. The container must be kept tightly sealed to protect the contents from moisture and atmospheric contamination.

Specification

Item	Specification
Appearance	Dark Blue to Violet Powder
Identification (IR)	Conforms to Standard
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
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.