Description

1-Amino-4-m-Anisidino-9,10-Dihydro-9,10-Dioxoanthracene-2-Sulphonic Acid is a high-purity, specialized anthraquinone derivative, serving as a critical intermediate in the synthesis of advanced colorants and functional dyes. Its precise molecular structure provides unique chromophoric properties essential for achieving specific shades and performance characteristics in demanding applications. This compound is primarily required by manufacturers in the dye and pigment industries, as well as by research institutions developing novel photonic or electronic materials.

Application

• Dye Intermediate: A key precursor for the synthesis of high-value acid dyes, disperse dyes, and reactive dyes, particularly for textiles like wool, silk, and nylon.
• Pigment Manufacturing: Used in the production of organic pigments for inks, coatings, and plastics where color fastness and stability are paramount.
• Specialty Colorants: Employed in the development of functional dyes for non-textile applications, including lasers, optical data storage, and liquid crystal displays (LCDs).
• Chemical Research: Serves as a building block in organic synthesis and materials science research for creating novel chromophores and charge-transfer complexes.
• Analytical Reagent: Can be utilized as a staining agent or a chromatographic standard in analytical chemistry laboratories.

Basic Information

Product Name	1-Amino-4-m-Anisidino-9,10-Dihydro-9,10-Dioxoanthracene-2-Sulphonic Acid
CAS No.	94023-25-3
Molecular Formula	C21H16N2O6S
Molecular Weight	424.43 g/mol
Synonyms	1-Amino-4-(3-methoxyanilino)anthraquinone-2-sulfonic acid; 1-Amino-4-(3-methoxyphenylamino)-9,10-dihydro-9,10-dioxoanthracene-2-sulfonic acid; 1-Amino-4-(m-anisidino)anthraquinone-2-sulfonic acid; Anthraquinone derivative, AAQSA; CI 62055 (related); Disperse Blue 60 intermediate; Acid Blue 324 intermediate; 9,10-Anthracenedione, 1-amino-4-[(3-methoxyphenyl)amino]-2-sulfo-
EINECS	Contact for details

Quality Control

Our production of 1-Amino-4-m-Anisidino-9,10-Dihydro-9,10-Dioxoanthracene-2-Sulphonic Acid adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and compliance with customer specifications. Certificates of Analysis (COA) detailing all critical parameters are provided and available upon request to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to minimize exposure to atmospheric humidity.

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	≤ 1.0%
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.