Description

1-Amino-9,10-Dihydro-4-[(4-Methyl-2-Sulfophenyl)Amino]-9,10-Dioxo-2-Anthracenesulfonic Acid is a specialized anthraquinone derivative, a high-value intermediate in the synthesis of advanced colorants and functional materials. Its molecular structure, featuring multiple sulfonic acid groups and an aminoanthraquinone core, makes it a critical precursor for producing dyes with excellent lightfastness and specific affinity for substrates. This compound is essential for manufacturers and R&D laboratories in the fine chemicals sector seeking to develop or produce high-performance pigments, specialized textile dyes, and functional organic materials.

Application

• Key Intermediate for Anthraquinone Dyes: Primary use in synthesizing acid dyes and reactive dyes for textiles (wool, silk, nylon) requiring brilliant shades and high wash-fastness.
• Precursor for Functional Pigments: Used in the development of high-performance organic pigments for inks, coatings, and plastics where color stability is paramount.
• Research & Development: Serves as a building block in organic synthesis for novel chromophores and photoactive materials in academic and industrial R&D settings.
• Specialty Chemical Synthesis: Employed in the production of dyes for leather, paper, and other specialty applications demanding specific color properties.
• Potential Analytical Reagent: Its structure may be utilized in the development of colorimetric indicators or sensors in analytical chemistry.

Basic Information

Product Name	1-Amino-9,10-Dihydro-4-[(4-Methyl-2-Sulfophenyl)Amino]-9,10-Dioxo-2-Anthracenesulfonic Acid
CAS No.	6247-36-5
Molecular Formula	C21H16N2O8S2
Molecular Weight	488.49 g/mol
Synonyms	Acid Blue 324 Intermediate; 1-Amino-4-[(4-methyl-2-sulfophenyl)amino]-9,10-dihydro-9,10-dioxo-2-anthracenesulfonic acid; 2-Anthracenesulfonic acid, 1-amino-9,10-dihydro-4-[(4-methyl-2-sulfophenyl)amino]-9,10-dioxo-; C.I. 621052; 1-Amino-4-(4-methyl-2-sulfanilino)anthraquinone-2-sulfonic acid; 4-[(4-Methyl-2-sulfophenyl)amino]-1-aminoanthraquinone-2-sulfonic acid
EINECS	228-387-9

Quality Control

Our production of 1-Amino-9,10-Dihydro-4-[(4-Methyl-2-Sulfophenyl)Amino]-9,10-Dioxo-2-Anthracenesulfonic Acid adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity for demanding industrial applications. Each lot undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation. Certificates of Analysis (COA) detailing all relevant specifications are provided to guarantee the material meets your technical requirements and supports your quality assurance processes.

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. Keep away from strong acids and incompatible organic solvents.

Specification

Item	Specification
Appearance	Dark blue to violet powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 0.5%
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.