Description

2-Anthraquinonesulfonic Acid is an important sulfonated derivative of anthraquinone, serving as a versatile intermediate in the synthesis of dyes and specialty chemicals. Its value lies in its ability to introduce both the anthraquinone chromophore and a reactive sulfonic acid group into target molecules, enabling the production of vivid colors and functional materials. This compound is primarily needed by manufacturers in the dye and pigment industry, as well as by research and development laboratories focusing on advanced organic synthesis.

Application

• Dye and Pigment Intermediate: A key precursor in the synthesis of acid dyes, vat dyes, and reactive dyes for textiles, leather, and paper.
• Chemical Synthesis Building Block: Used in organic synthesis to create more complex anthraquinone derivatives for pharmaceuticals and agrochemicals.
• Catalyst and Reagent: Employed in certain catalytic processes and as a reagent in oxidation reactions.
• Analytical Chemistry: May be used as a standard or reagent in specific analytical methods.
• Research & Development: Serves as a starting material for developing new functional dyes and photoactive compounds.

Basic Information

Product Name	2-Anthraquinonesulfonic Acid
CAS No.	84-48-0
Molecular Formula	C14H8O5S
Molecular Weight	288.27 g/mol
Synonyms	2-Anthraquinonesulfonic Acid; Anthraquinone-2-sulfonic Acid; 9,10-Dihydro-9,10-dioxo-2-anthracenesulfonic Acid; 2-Sulfoanthraquinone; β-Anthraquinonesulfonic Acid; 2-AQSA; 2-AQ-SO3H; 2-Anthraquinone Sulfonic Acid
EINECS	201-534-8

Quality Control

Our 2-Anthraquinonesulfonic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for identity, purity, and impurity profiles. A Certificate of Analysis (COA) detailing the results 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, well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Recommended storage temperature is 15-25°C. The product is light-sensitive (store away from light) and compatible with strong acid/organic solvent environments.

Specification

Item	Specification
Appearance	Yellow to brownish-yellow powder or crystals
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Sulfated Ash	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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