Description

1-Amino-9,10-Dihydro-9,10-Dioxo-4-[[4-[(4-Sulphophenyl)Azo]Phenyl]Amino]Anthracene-2-Sulphonic Acid is a high-purity, anthraquinone-based intermediate and specialty dye. This compound matters for its role as a critical precursor in the synthesis of high-performance, colorfast dyes and pigments, offering excellent chromophore properties. It is primarily needed by manufacturers in the textile, ink, and specialty chemical industries seeking reliable, consistent raw materials for producing vibrant and durable colors.

Application

• Primary Intermediate for Reactive Dyes: A key building block in the synthesis of high-quality reactive dyes for cotton and other cellulosic fibers.
• Specialty Pigment Manufacturing: Used in the production of high-performance organic pigments for inks, coatings, and plastics requiring excellent lightfastness.
• Textile Dyeing and Printing: Imparts vibrant and stable hues in advanced textile dyeing and printing processes.
• Functional Dye Synthesis: Serves as a precursor for dyes used in specialized applications, including laser dyes and optical materials.
• Research & Development: Utilized in chemical R&D for developing novel chromophores and studying structure-property relationships in dye chemistry.
• Analytical Chemistry: May be employed as a staining agent or a standard in chromatographic and spectroscopic analysis.

Basic Information

Product Name	1-Amino-9,10-Dihydro-9,10-Dioxo-4-[[4-[(4-Sulphophenyl)Azo]Phenyl]Amino]Anthracene-2-Sulphonic Acid
CAS No.	68399-90-6
Molecular Formula	C26H18N4O7S2
Molecular Weight	562.57 g/mol
Synonyms	Acid Blue 324; C.I. 61525; 1-Amino-4-[[4-[(4-sulfophenyl)azo]phenyl]amino]-9,10-dihydro-9,10-dioxo-2-anthracenesulfonic acid; 2-Anthracenesulfonic acid, 1-amino-9,10-dihydro-4-[[4-[(4-sulfophenyl)azo]phenyl]amino]-9,10-dioxo-; Reactive Blue Dye Intermediate; Anthraquinone Azo Dye Intermediate
EINECS	Contact for details

Quality Control

Our production of 1-Amino-9,10-Dihydro-9,10-Dioxo-4-[[4-[(4-Sulphophenyl)Azo]Phenyl]Amino]Anthracene-2-Sulphonic Acid adheres to stringent quality protocols. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure compliance with industry specifications. Certificates of Analysis (COA) detailing all critical parameters are available upon request to support your quality assurance and regulatory needs.

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, which can affect product quality and performance.

Specification

Item	Specification
Appearance	Dark Blue to Black Powder
Identification (IR)	Conforms to Structure
Assay (HPLC)	≥ 95.0%
Moisture (KF Titration)	≤ 5.0%
Ash Content	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in Water)	Partially Soluble

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