Description

4-Amino-9,10-Dihydro-1-Hydroxy-9,10-Dioxo-2-Anthracenesulfonic Acid is a specialized anthraquinone derivative characterized by its sulfonic acid and amino functional groups, making it a versatile intermediate for advanced synthesis. This compound is valued for its role in producing high-performance dyes, pigments, and functional materials where precise chemical structure is critical. It is primarily sought by manufacturers in the fine chemical, specialty dye, and advanced material research sectors for its unique reactive properties.

Application

• Key Intermediate for Dyes & Pigments: Serves as a crucial building block in the synthesis of anthraquinone-based acid dyes, reactive dyes, and high-grade pigments.
• Functional Material Synthesis: Used in the research and development of organic semiconductors, photoconductive materials, and other advanced electronic components.
• Biochemical Research: Potential intermediate for developing staining agents, diagnostic markers, or photoactive probes in life sciences.
• Catalyst and Ligand Preparation: The sulfonic acid and amino groups allow for use in designing specialized catalysts or metal-complexing ligands.
• Polymer Modification: Employed to introduce functional groups into polymer chains to alter solubility, dyeability, or ionic characteristics.

Basic Information

Product Name	4-Amino-9,10-Dihydro-1-Hydroxy-9,10-Dioxo-2-Anthracenesulfonic Acid
CAS No.	83759-22-2
Molecular Formula	C14H9NO6S
Molecular Weight	319.29 g/mol
Synonyms	1-Hydroxy-4-aminoanthraquinone-2-sulfonic Acid; 4-Amino-1-hydroxyanthraquinone-2-sulfonic Acid; 1-Hydroxy-4-amino-9,10-dihydro-9,10-dioxo-2-anthracenesulfonic Acid; 4-Amino-1-hydroxy-9,10-anthraquinone-2-sulfonate; AAQSA; C.I. 60710; Acid Blue 43 Intermediate
EINECS	Contact for details

Quality Control

Our production of 4-Amino-9,10-Dihydro-1-Hydroxy-9,10-Dioxo-2-Anthracenesulfonic Acid adheres to a stringent quality management system to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including HPLC, IR, and titration to confirm identity and assay. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance and regulatory needs.

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 (moisture-sensitive) nature, the container must be kept sealed to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	Yellow to orange-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulfated Ash	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm

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