Description

Sodium [[3-Anilino-9,10-Dihydro-4-Hydroxy-9,10-Dioxo-1-Anthryl]Amino]Benzenesulphonate is a specialized anthraquinone-derived chemical intermediate of significant commercial importance. This compound is valued for its role as a key precursor in the synthesis of high-performance dyes and functional pigments. It is primarily sought after by manufacturers in the textile, ink, and specialty chemical industries for producing vivid and stable colorants.

Application

• Dye Intermediate: A crucial building block for synthesizing anthraquinone-based acid dyes and reactive dyes used in textile coloring.
• Pigment Manufacturing: Serves as a precursor for organic pigments with applications in inks, paints, and plastics.
• Functional Dyes: Used in the research and production of dyes for specialized applications, including liquid crystal displays (LCDs) and optical data storage.
• Chemical Research: Employed as a standard or intermediate in organic synthesis and photochemical studies within R&D laboratories.
• Analytical Reagents: Potential use in the formulation of colorimetric indicators and reagents for analytical chemistry.

Basic Information

Product Name	Sodium [[3-Anilino-9,10-Dihydro-4-Hydroxy-9,10-Dioxo-1-Anthryl]Amino]Benzenesulphonate
CAS No.	94248-15-4
Molecular Formula	C26H17N2NaO7S
Molecular Weight	524.48 g/mol
Synonyms	Benzenesulfonic acid, [[(3-anilino-9,10-dihydro-4-hydroxy-9,10-dioxo-1-anthracenyl)amino]-, sodium salt; Sodium 3-[(3-anilino-4-hydroxy-9,10-dioxo-9,10-dihydroanthracen-1-yl)amino]benzenesulfonate; 1-Amino-4-(3-sulfophenylamino)-9,10-dihydro-9,10-dioxo-2-anthracenol Sodium Salt; Acid Blue 324 precursor; Anthraquinone dye intermediate CAS 94248-15-4
EINECS	Contact for details

Quality Control

Our production of Sodium [[3-Anilino-9,10-Dihydro-4-Hydroxy-9,10-Dioxo-1-Anthryl]Amino]Benzenesulphonate adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing to ensure consistent purity, identity, and performance as a dye intermediate. Comprehensive Certificates of Analysis (COA) detailing assay, impurity profile, and physical specifications 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 place at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept 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%
Loss on Drying	≤ 5.0%
Sulfated Ash	15.0 - 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.