Description

2,7-Anthraquinone Disulfonic Acid is a key sulfonated anthraquinone derivative, primarily valued as a versatile chemical intermediate in the synthesis of dyes and pigments. Its disulfonic acid groups enhance water solubility and provide reactive sites for further functionalization, making it crucial for producing vivid and stable colorants. This compound is essential for manufacturers in the dye and textile industries, as well as for research institutions developing advanced organic materials and specialty chemicals.

Application

• Dye and Pigment Intermediate: A fundamental building block for the synthesis of acid dyes, reactive dyes, and other anthraquinone-based colorants.
• Textile Industry: Used in the production of dyes for coloring nylon, wool, and silk fibers.
• Chemical Synthesis: Serves as a precursor for more complex anthraquinone derivatives used in various organic syntheses.
• Research & Development: Employed in academic and industrial labs for developing new functional dyes and photoactive materials.
• Analytical Reagent: Can be utilized in certain analytical chemistry applications and as a standard.

Basic Information

Product Name	2,7-Anthraquinone Disulfonic Acid
CAS No.	84-49-1
Molecular Formula	C14H8O8S2
Molecular Weight	368.34 g/mol
Synonyms	2,7-Anthraquinonedisulfonic Acid; Anthraquinone-2,7-disulfonic Acid; 2,7-Disulfoanthraquinone; 9,10-Anthracenedione, 2,7-disulfo-; 2,7-Anthraquinone Disulphonic Acid; Acid Anthraquinone Blue; C.I. 58610
EINECS	201-538-5

Quality Control

Our 2,7-Anthraquinone Disulfonic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay, impurity profiling, and identification, to ensure it meets precise specifications. A Certificate of Analysis (COA) detailing purity, physical characteristics, and test results is provided with every shipment to guarantee traceability and compliance.

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 tightly sealed to prevent moisture absorption.

Specification

Item	Specification
Appearance	Yellow to brownish-yellow powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulfated Ash	≤ 0.5%
Heavy Metals	≤ 20 ppm

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