Description

Anthraquinone-1 5-Disulfonic Acid is a high-purity, functionalized anthraquinone derivative characterized by its two sulfonic acid groups. This compound is a critical intermediate in the synthesis of dyes, pigments, and specialty chemicals, valued for its ability to impart water solubility and specific chromophoric properties. It is essential for manufacturers in the colorant, textile, and advanced materials industries seeking to develop vibrant, stable, and application-specific products.

Application

• Dye and Pigment Intermediate: A key precursor for the synthesis of acid dyes, reactive dyes, and high-performance pigments, particularly for textile and leather applications.
• Specialty Chemical Synthesis: Used in the production of photoactive compounds, optical brighteners, and other functional organic molecules.
• Catalyst and Ligand Preparation: Serves as a building block for creating sulfonated ligands used in homogeneous catalysis and metal complexation.
• Analytical Reagent: Employed in research and analytical chemistry as a standard or reagent for specific colorimetric assays and studies.
• Polymer Modification: Can be used to introduce sulfonic acid groups into polymers to alter solubility, ionic character, or dyeability.

Basic Information

Product Name	Anthraquinone-1 5-Disulfonic Acid
CAS No.	206659-04-3
Molecular Formula	C14H8O8S2
Molecular Weight	368.34 g/mol
Synonyms	1,5-Anthraquinonedisulfonic Acid; Anthraquinone-1,5-disulfonic Acid; 9,10-Anthracenedione, 1,5-disulfo-; 1,5-Disulfoanthraquinone; Acid Anthraquinone Blue; AQ1,5-DSA; 1,5-AQDS
EINECS	Contact for details

Quality Control

Our Anthraquinone-1 5-Disulfonic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (IR), to ensure it meets exacting specifications for use in sensitive chemical synthesis. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability, consistency, and compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to light brown powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
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.