Description

1-Amino-4-(Methylamino)-9,10-Dioxo-9,10-Dihydroanthracene-2-Sulfonic Acid is a high-purity, sulfonated anthraquinone derivative of significant industrial importance. This compound serves as a critical intermediate in the synthesis of advanced dyes and functional pigments, valued for its specific chromophore structure and reactive sites. It is primarily sought by manufacturers in the specialty chemicals, textile dye, and advanced materials sectors for producing high-performance colorants and functional additives.

Application

• Key Intermediate for Dyes and Pigments: Primary use in the synthesis of acid dyes, reactive dyes, and solvent dyes, particularly for textile and leather applications.
• Functional Dye Synthesis: Building block for creating specialized dyes used in ink-jet printing, optical data storage, and liquid crystal displays (LCDs).
• Research & Development: Used in academic and industrial R&D for developing novel chromophores and studying electron transfer processes.
• Photographic Chemicals: Potential application as a sensitizer or intermediate in the production of photographic chemicals and imaging materials.
• Analytical Reagents: Can be utilized as a reagent or standard in analytical chemistry for method development and calibration.

Basic Information

Product Name	1-Amino-4-(Methylamino)-9,10-Dioxo-9,10-Dihydroanthracene-2-Sulfonic Acid
CAS No.	34940-32-4
Molecular Formula	C15H12N2O5S
Molecular Weight	332.33 g/mol
Synonyms	1-Amino-4-(methylamino)anthraquinone-2-sulfonic acid; 4-Methylamino-1-aminoanthraquinone-2-sulfonic acid; 1-Amino-4-methylaminoanthraquinone-2-sulfonic acid; 2-Anthracenesulfonic acid, 1-amino-9,10-dihydro-4-(methylamino)-9,10-dioxo-; Acid Blue 324 (related dye class); Anthraquinone dye intermediate; AMAS; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our production of 1-Amino-4-(Methylamino)-9,10-Dioxo-9,10-Dihydroanthracene-2-Sulfonic Acid adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and industry standards. A detailed Certificate of Analysis (COA) is provided with each shipment to guarantee traceability, consistency, and reliability.

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 product is hygroscopic (moisture-sensitive); therefore, the container must be kept tightly sealed to prevent absorption of atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark brown to reddish-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.5%
Solubility (Test)	Soluble in alkaline water, DMSO

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