Description

Disodium 1-Amino-4-[(3-Amino-2-Methyl-5-Sulphonatophenyl)Amino]-9,10-Dihydro-9,10-Dioxoanthracene-2-Sulphonate is a high-purity, water-soluble anthraquinone derivative dye intermediate. This compound is critical for synthesizing vibrant and stable blue to green shades in various industrial dyeing processes. It is primarily required by manufacturers in the textile, ink, and specialty chemical industries for producing high-performance colorants.

Application

• Textile Dye Intermediate: A key precursor for the synthesis of reactive and acid dyes used in coloring cotton, wool, silk, and nylon fibers.
• Inkjet Ink Manufacturing: Used in the production of high-quality colorants for industrial and commercial inkjet printing inks, offering excellent color strength and stability.
• Leather Dyeing: Employed in the formulation of dyes for the leather industry, providing deep, uniform coloration with good fastness properties.
• Paper Coloring: Utilized in the manufacture of dyes for specialty paper products, including decorative and security papers.
• Research & Development: Serves as a standard or building block in chemical R&D for developing new chromophores and functional dyes.
• Functional Dye Synthesis: A starting material for creating dyes with specific optical or electronic properties for non-textile applications.

Basic Information

Product Name	Disodium 1-Amino-4-[(3-Amino-2-Methyl-5-Sulphonatophenyl)Amino]-9,10-Dihydro-9,10-Dioxoanthracene-2-Sulphonate
CAS No.	55329-37-8
Molecular Formula	C21H15N3Na2O8S2
Molecular Weight	547.47 g/mol
Synonyms	Acid Blue 324; C.I. 61525; Disodium 1-amino-4-[(3-amino-2-methyl-5-sulfonatophenyl)amino]-9,10-dihydro-9,10-dioxoanthracene-2-sulfonate; 1-Amino-4-[(3-amino-2-methyl-5-sulfonatophenyl)amino]anthraquinone-2-sulfonic acid disodium salt; Anthraquinone Blue 324; Reactive Blue 324 intermediate; 2-Anthracenesulfonic acid, 1-amino-4-[(3-amino-2-methyl-5-sulfophenyl)amino]-9,10-dihydro-9,10-dioxo-, disodium salt
EINECS	259-613-6

Quality Control

Our Disodium 1-Amino-4-[(3-Amino-2-Methyl-5-Sulphonatophenyl)Amino]-9,10-Dihydro-9,10-Dioxoanthracene-2-Sulphonate is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure consistent purity, color strength, and compliance with agreed specifications. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical properties is provided with each shipment.

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 when not in use to prevent absorption of atmospheric moisture, which may affect product quality.

Specification

Item	Specification
Appearance	Dark blue to violet powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Moisture (KF)	≤ 5.0%
Water Solubility	Freely soluble
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 3.0%

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