Description

9,10-Dihydro-9,10-Dioxo-2-Anthracenesulfonic Acid Potassium Salt is a high-purity, water-soluble anthraquinone derivative, valued for its role as a key intermediate in the synthesis of specialty dyes and functional materials. Its significance lies in providing a sulfonated, salt-stabilized anthraquinone core that enables further chemical modifications and enhances solubility for industrial processes. This compound is essential for manufacturers and R&D laboratories in the dyestuff, pigment, and advanced material sectors seeking reliable, high-quality intermediates.

Application

• Dye and Pigment Intermediate: A crucial building block for synthesizing anthraquinone-based acid dyes, reactive dyes, and disperse dyes used in textiles, leather, and paper.
• Functional Material Synthesis: Serves as a precursor for creating organic semiconductors, photoconductive materials, and charge-transport layers in electronic applications.
• Chemical Research & Development: Used in academic and industrial R&D for exploring new quinone-based compounds, catalysts, and photoactive molecules.
• Analytical Reagent: Potential use as a standard or reagent in analytical chemistry for calibration and method development.
• Specialty Surfactant Precursor: The sulfonic acid group allows for derivatization into specialized surfactants or dispersing agents.

Basic Information

Product Name	9,10-Dihydro-9,10-Dioxo-2-Anthracenesulfonic Acid Potassium Salt
CAS No.	53731-33-2
Molecular Formula	C14H7KO5S
Molecular Weight	326.37 g/mol
Synonyms	Potassium 9,10-dihydro-9,10-dioxo-2-anthracenesulfonate; 2-Anthraquinonesulfonic Acid Potassium Salt; Potassium 2-Anthraquinonesulfonate; 9,10-Anthracenedione, 2-sulfo-, potassium salt; Anthraquinone-2-sulfonic Acid Potassium Salt; 2-Sulfoanthraquinone Potassium Salt; AQ2S-K; Potassium Anthraquinone-2-sulfonate
EINECS	Contact for details

Quality Control

Our 9,10-Dihydro-9,10-Dioxo-2-Anthracenesulfonic Acid Potassium Salt is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications. A Certificate of Analysis (COA) detailing all quality parameters is provided with every shipment to guarantee traceability and compliance with your requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Yellow to orange-yellow powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition (Sulfated Ash)	Contact for details
Solubility	Soluble in water

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