Description

Anthraquinone-2,7-Disulfonic Acid Disodium Salt is a high-purity, water-soluble disodium salt derivative of anthraquinone, valued for its role as a key synthetic intermediate and functional dye precursor. Its significance lies in its ability to introduce sulfonic acid groups into complex molecules, enhancing solubility and enabling specific chemical transformations. This compound is essential for manufacturers and R&D laboratories in the dye, pigment, and specialty chemical industries seeking reliable, high-quality intermediates for advanced synthesis.

Application

• Dye and Pigment Intermediate: A crucial precursor in the synthesis of acid dyes, reactive dyes, and other anthraquinone-based colorants.
• Chemical Synthesis: Used as a building block for creating more complex sulfonated organic compounds in pharmaceutical and agrochemical research.
• Catalyst and Ligand Preparation: Serves as a starting material for synthesizing sulfonated ligands used in homogeneous catalysis.
• Analytical Reagent: Employed in certain colorimetric assays and as a standard in analytical chemistry.
• Electroplating Additives: Can be utilized in formulating specialty additives for electroplating baths.
• Photographic Chemicals: Finds application in the synthesis of certain light-sensitive compounds.

Basic Information

Product Name	Anthraquinone-2,7-Disulfonic Acid Disodium Salt
CAS No.	853-67-8
Molecular Formula	C14H6Na2O8S2
Molecular Weight	412.29 g/mol
Synonyms	2,7-Anthraquinonedisulfonic Acid Disodium Salt; Disodium 2,7-Anthraquinonedisulfonate; Anthraquinone-2,7-disulfonic Acid Sodium Salt; Acid Blue 45 (related dye intermediate); C.I. 63010; 9,10-Anthracenedione, 2,7-disulfo-, disodium salt; 2,7-Disulfoanthraquinone Disodium Salt
EINECS	212-709-4

Quality Control

Our Anthraquinone-2,7-Disulfonic Acid Disodium Salt is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for purity and composition. A Certificate of Analysis (COA) detailing key parameters such as assay, impurity profile, and identification is provided with every shipment, ensuring traceability and consistency for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents. The product is hygroscopic; ensure the container is sealed after each use to minimize moisture absorption.

Specification

Item	Specification
Appearance	Yellow to orange-yellow powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
pH (5% solution)	6.0 - 8.0
Heavy Metals (as Pb)	≤ 20 ppm
Sulfate Ash	28.0 - 32.0%

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