Description

Sodium 1-Amino-4-[(4-Aminophenyl)Amino]-9,10-Dihydro-9,10-Dioxoanthracene-2-Sulphonate is a high-purity, water-soluble anthraquinone derivative of significant industrial importance. This compound serves as a critical intermediate in the synthesis of specialized dyes and functional colorants, valued for its specific chromophore structure and reactivity. It is primarily sought after by manufacturers in the dye and pigment industries, as well as by research institutions developing advanced materials.

Application

• Dye Intermediate: A key precursor for the synthesis of high-value, reactive, and disperse anthraquinone dyes.
• Functional Colorant Production: Used in manufacturing colorants for specialized applications in plastics, inks, and coatings.
• Research & Development: Serves as a building block in organic synthesis for novel chromophores and photoactive materials in academic and industrial R&D labs.
• Textile Industry: Employed in the production of dyes for coloring synthetic and natural fibers, offering good light and wash fastness properties.
• Analytical Chemistry: Can be utilized as a standard or reagent in chromatographic analysis and spectroscopic studies of related compounds.

Basic Information

Product Name	Sodium 1-Amino-4-[(4-Aminophenyl)Amino]-9,10-Dihydro-9,10-Dioxoanthracene-2-Sulphonate
CAS No.	40951-76-6
Molecular Formula	C20H14N3NaO5S
Molecular Weight	431.40 g/mol
Synonyms	1-Amino-4-[(4-aminophenyl)amino]-9,10-dihydro-9,10-dioxoanthracene-2-sulfonic acid sodium salt; Sodium 1,4-bis(4-aminophenylamino)anthraquinone-2-sulfonate; Acid Blue 324 (related dye class); C.I. 621052; Anthraquinone Blue intermediate; 1,4-Bis[(4-aminophenyl)amino]anthraquinone-2-sulfonic acid sodium salt; 2-Anthracenesulfonic acid, 1-amino-4-[(4-aminophenyl)amino]-9,10-dihydro-9,10-dioxo-, sodium salt
EINECS	Contact for details

Quality Control

Our Sodium 1-Amino-4-[(4-Aminophenyl)Amino]-9,10-Dihydro-9,10-Dioxoanthracene-2-Sulphonate is produced under a stringent quality management system. Every batch undergoes rigorous analytical testing to ensure high purity, consistent composition, and batch-to-batch reliability. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request 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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Dark blue to violet powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
Solubility (in Water)	Freely soluble

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