Description

1,4-Diamino-2-Sodium Anthraquinone Sulfonate CAS NO 6471-06-3 is a water-soluble, sulfonated anthraquinone derivative that serves as a key intermediate and functional dye. Its value lies in its ability to impart color and specific chemical properties to materials, making it essential for high-performance applications. This compound is primarily needed by manufacturers in the dye and pigment, textile processing, and specialty chemical synthesis industries.

Application

• Dye Intermediate: A crucial precursor for the synthesis of acid dyes, reactive dyes, and other anthraquinone-based colorants.
• Textile Dyeing: Used in the dyeing of protein fibers like wool and silk, as well as polyamide fibers (nylon), due to its good affinity and colorfastness.
• Functional Dye: Employed in the production of dyes for leather, paper, and ink formulations where water solubility is advantageous.
• Chemical Synthesis: Acts as a building block for more complex molecules in pharmaceutical and agrochemical research.
• Analytical Reagent: Can be utilized as a staining agent or indicator in specific laboratory and diagnostic applications.

Basic Information

Product Name	1,4-Diamino-2-Sodium Anthraquinone Sulfonate
CAS No.	6471-06-3
Molecular Formula	C14H9N2NaO5S
Molecular Weight	340.29 g/mol
Synonyms	1,4-Diamino-9,10-dihydro-9,10-dioxo-2-anthracenesulfonic Acid Sodium Salt; Sodium 1,4-Diaminoanthraquinone-2-sulfonate; Acid Blue 45; C.I. 63010; 1,4-Diaminoanthraquinone-2-sulfonic Acid Sodium Salt; 2-Anthracenesulfonic Acid, 1,4-diamino-9,10-dihydro-9,10-dioxo-, Sodium Salt; 1,4-Diamino-2-anthraquinonesulfonic Acid Sodium Salt
EINECS	229-304-8

Quality Control

Our 1,4-Diamino-2-Sodium Anthraquinone Sulfonate is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets precise chemical and physical specifications. A Certificate of Analysis (COA) detailing purity, identity, and other critical parameters is provided to guarantee consistency and 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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product quality and handling.

Specification

Item	Specification
Appearance	Dark blue to violet powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Solubility	Freely soluble
Loss on Drying	≤ 5.0%
Sulfated Ash	≤ 20.0%
Heavy Metals (as Pb)	≤ 20 ppm

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