Description

1-Amino-4-[3-(2-Hydroxyethylsulfonyl)Phenylamino]-9,10-Dihydro-9,10-Dioxo-2-Anthracenesulfonic Acid is a high-purity, functionalized anthraquinone derivative, serving as a critical intermediate in the synthesis of advanced colorants and specialty chemicals. Its molecular structure, featuring both sulfonic acid and hydroxyethylsulfonyl groups, provides excellent water solubility and reactive sites for further chemical modification. This compound is essential for manufacturers in the textile dye, ink, and high-performance pigment industries seeking to develop products with enhanced chroma, stability, and application properties.

Application

• Key Intermediate for Reactive Dyes: Primarily used in the synthesis of high-quality, fiber-reactive dyes for cotton, wool, and polyamide textiles, offering brilliant shades and excellent wash-fastness.
• Specialty Pigment Manufacturing: Serves as a precursor for creating high-performance organic pigments used in automotive paints, industrial coatings, and plastics.
• Functional Dye Synthesis: Employed in the production of dyes for inkjet inks, leather coloring, and paper coloration, where specific solubility and color properties are required.
• Research & Development: Used in academic and industrial R&D labs for developing novel chromophores, photoactive materials, and chemical sensors.
• Fine Chemical Synthesis: Acts as a building block for more complex molecules in pharmaceutical and agrochemical research, leveraging its anthraquinone core.

Basic Information

Product Name	1-Amino-4-[3-(2-Hydroxyethylsulfonyl)Phenylamino]-9,10-Dihydro-9,10-Dioxo-2-Anthracenesulfonic Acid
CAS No.	39582-26-8
Molecular Formula	C22H18N2O8S2
Molecular Weight	502.52 g/mol
Synonyms	Reactive Blue 198 Intermediate; 1-Amino-4-(3-(2-hydroxyethylsulfonyl)anilino)anthraquinone-2-sulfonic acid; C.I. Reactive Blue 198 acid; Anthraquinone, 1-amino-4-[[3-[(2-hydroxyethyl)sulfonyl]phenyl]amino]-9,10-dihydro-9,10-dioxo-2-sulfonic acid; 2-Anthracenesulfonic acid, 1-amino-4-[3-(2-hydroxyethylsulfonyl)phenylamino]-9,10-dihydro-9,10-dioxo-; Reactive Blue B-RV Intermediate; Acid Blue 324 related compound
EINECS	Contact for details

Quality Control

Our production of 1-Amino-4-[3-(2-Hydroxyethylsulfonyl)Phenylamino]-9,10-Dihydro-9,10-Dioxo-2-Anthracenesulfonic Acid adheres to a stringent quality management system. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and compliance with customer specifications. Certificates of Analysis (COA) detailing all critical parameters are provided with each shipment to guarantee traceability and support your quality assurance protocols.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed when not in use to prevent absorption of atmospheric moisture. Keep 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%
Water Content (KF)	≤ 5.0%
pH (1% Solution)	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm
Solubility	Soluble in water, alkaline solutions

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