Description

2-(4-Hydroxy-9,10-Dioxoanthracene-1-Ylamino)-5-Methylbenzenesulfonic Acid is a specialized anthraquinone derivative that serves as a critical intermediate in the synthesis of high-performance dyes and pigments. Its molecular structure is engineered to provide excellent color fastness and thermal stability, making it a valuable component for demanding industrial applications. This compound is primarily sought by manufacturers in the textile, ink, and advanced materials sectors who require precise and reliable chemical building blocks for their production processes.

Application

• Dye and Pigment Intermediate: A key precursor for the synthesis of anthraquinone-based dyes, including acid dyes, disperse dyes, and solvent dyes used in textiles and plastics.
• Textile Colorants: Used in the manufacturing of dyes for coloring natural and synthetic fibers, prized for their brightness and wash-fastness.
• Functional Materials: Investigated for use in the development of organic semiconductors, photoconductive materials, and other advanced electronic applications.
• Analytical Chemistry: May serve as a reagent or a standard in chromatographic analysis and quality control for related chemical products.
• Research & Development: Utilized in academic and industrial R&D for exploring new synthetic pathways and novel chromophoric systems.

Basic Information

Product Name	2-(4-Hydroxy-9,10-Dioxoanthracene-1-Ylamino)-5-Methylbenzenesulfonic Acid
CAS No.	3443-92-3
Molecular Formula	C21H15NO7S
Molecular Weight	425.41 g/mol
Synonyms	1-Amino-4-hydroxyanthraquinone-2-sulfonic acid (Toluidine derivative); 4-Hydroxy-1-(2-methyl-5-sulfophenylamino)anthraquinone; 1-Amino-4-hydroxy-2-(p-tolylsulfonylamino)anthraquinone; Acid Blue 324 intermediate; C.I. 61525; Disperse Blue 60 related intermediate; Anthraquinone sulfonic acid derivative; 2-[(4-Hydroxy-9,10-dioxo-9,10-dihydroanthracen-1-yl)amino]-5-methylbenzenesulfonic acid
EINECS	Contact for details

Quality Control

Our production of 2-(4-Hydroxy-9,10-Dioxoanthracene-1-Ylamino)-5-Methylbenzenesulfonic Acid adheres to stringent quality management protocols. Every batch is analyzed to ensure it meets precise chemical and physical specifications, with a focus on purity, color value, and consistency. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and other critical parameters is provided with each shipment to guarantee traceability and compliance with your quality standards.

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. Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Dark brown to reddish-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 3.0%

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