Description

Anthraquinone-1,5-Disulfonic Acid Disodium Salt is a high-purity, water-soluble derivative of anthraquinone, valued for its role as a key intermediate and functional dye precursor. This compound is essential for industries requiring precise chemical synthesis and consistent colorant properties. It is primarily utilized by manufacturers in the dye and pigment, pharmaceutical, and specialty chemical sectors.

Application

• Dye and Pigment Intermediate: A crucial precursor for the synthesis of acid dyes, reactive dyes, and other anthraquinone-based colorants.
• Pharmaceutical Synthesis: Serves as a building block in the production of certain active pharmaceutical ingredients (APIs) and diagnostic agents.
• Catalyst and Reagent: Used in specialized organic synthesis and catalytic processes due to its sulfonated structure.
• Analytical Chemistry: Employed as a standard or reagent in specific analytical methods and research applications.
• Textile Auxiliaries: Functions in the formulation of specialty chemicals for textile processing and finishing.
• Electroplating Additives: Can be used in certain electroplating baths as a brightening or leveling agent.

Basic Information

Product Name	Anthraquinone-1,5-Disulfonic Acid Disodium Salt
CAS No.	853-35-0
Molecular Formula	C14H6Na2O8S2
Molecular Weight	412.29 g/mol
Synonyms	1,5-Anthraquinonedisulfonic Acid Disodium Salt; Disodium 1,5-Anthraquinonedisulfonate; Acid Anthraquinone Blue; Anthraquinone-1,5-disulfonic Acid Sodium Salt; C.I. 62500; 1,5-Disulfoanthraquinone Disodium Salt; 9,10-Anthracenedione, 1,5-disulfo-, disodium salt
EINECS	212-706-6

Quality Control

Our Anthraquinone-1,5-Disulfonic Acid Disodium Salt is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and performance. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical characteristics 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, and well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to orange-yellow powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 5.0%
Sulfated Ash	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in Water)	Clear, yellow solution

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