Description

Sodium Anthraquinone-2-Sulfonate is a high-purity, water-soluble salt of anthraquinone-2-sulfonic acid, widely recognized for its role as a key intermediate and catalyst in industrial chemical synthesis. Its primary commercial value lies in its utility as a redox catalyst, particularly in the production of hydrogen peroxide via the anthraquinone process, ensuring efficient and large-scale manufacturing. This compound is essential for manufacturers and R&D facilities in the chemical, textile, and paper industries, where it serves as a precursor for dyes, a catalyst, and a specialized reagent.

Application

• Hydrogen Peroxide Production: Serves as a crucial redox carrier (working solution) in the anthraquinone auto-oxidation process.
• Dye & Pigment Intermediate: Acts as a key starting material for synthesizing various anthraquinone-based dyes and colorants.
• Textile & Paper Processing: Used in bleaching processes and as a catalyst or intermediate in specialty chemical formulations for these sectors.
• Chemical Synthesis: Functions as a catalyst or reagent in organic synthesis and oxidation reactions.
• Analytical Chemistry: Employed as a standard or reagent in specific analytical methods and laboratory research.
• Photographic & Imaging Chemicals: Used in the formulation of certain light-sensitive chemicals and imaging agents.

Basic Information

Product Name	Sodium Anthraquinone-2-Sulfonate
CAS No.	131-08-8
Molecular Formula	C14H7NaO5S
Molecular Weight	310.26 g/mol
Synonyms	Sodium 2-Anthraquinonesulfonate; 9,10-Dioxo-9,10-dihydroanthracene-2-sulfonic Acid Sodium Salt; Anthraquinone-2-sulfonic Acid Sodium Salt; 2-Anthraquinonesulfonic Acid Sodium Salt; Sodium 9,10-dihydro-9,10-dioxo-2-anthracenesulfonate; AQ2S; 2-AQSA Na; 2-SAQ
EINECS	205-012-2

Quality Control

Our Sodium Anthraquinone-2-Sulfonate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and consistency. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical properties is provided with every shipment to guarantee traceability and compliance with your technical requirements.

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). Keep away from incompatible materials such as strong oxidizing agents. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Yellow to orange-yellow powder or crystalline powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	Conforms
Heavy Metals (as Pb)	≤ 20 ppm
Water Solubility	Clear, yellow solution

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