Description

Anthraquinone-2,6-Disulfonic Acid Disodium Salt is a high-purity, water-soluble disodium salt derivative of anthraquinone, valued for its role as a key intermediate and functional dye precursor. This compound is essential for synthesizing vibrant and stable colorants, particularly acid dyes and reactive dyes used in textile processing. It serves critical functions in the dye and pigment manufacturing, chemical synthesis, and research and development sectors, where consistent quality and reliable supply are paramount.

Application

• Primary Intermediate for Dye Synthesis: A crucial building block for manufacturing anthraquinone-based acid dyes and reactive dyes, especially blues and greens.
• Textile Dyeing and Printing: Used in the production of dyes that provide excellent color fastness and brightness on protein fibers like wool, silk, and nylon.
• Specialty Chemical Synthesis: Serves as a versatile intermediate in organic synthesis for creating more complex anthraquinone derivatives.
• Laboratory Research & Development: Employed in R&D settings for developing new chromophores, functional materials, and analytical reagents.
• Potential Catalyst or Electrolyte Component: Investigated for use in specialized electrochemical applications and catalytic processes.

Basic Information

Product Name	Anthraquinone-2,6-Disulfonic Acid Disodium Salt
CAS No.	853-68-9
Molecular Formula	C14H6Na2O8S2
Molecular Weight	412.29 g/mol
Synonyms	2,6-Anthraquinonedisulfonic Acid Disodium Salt; Disodium 2,6-Anthraquinonedisulfonate; Anthraquinone-2,6-disulfonic Acid Sodium Salt; Acid Blue 45 Intermediate; C.I. 63010; 9,10-Anthracenedione, 2,6-disulfonic acid, disodium salt; 2,6-Disulfoanthraquinone Disodium Salt
EINECS	212-706-6

Quality Control

Our Anthraquinone-2,6-Disulfonic Acid Disodium Salt is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot is analyzed against stringent in-house specifications, which typically include identity confirmation, assay (purity), and control of key impurities. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance protocols.

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). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	Yellow to orange-yellow powder or crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 5.0%
pH (5% Solution)	6.0 - 8.0
Heavy Metals (as Pb)	≤ 20 ppm

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