Description

1-Amino-9,10-Dihydro-9,10-Dioxo-4-o-Toluidinoanthracene-2-Sulphonic Acid is a specialized anthraquinone derivative, valued for its role as a key intermediate in the synthesis of high-performance dyes and pigments. Its molecular structure provides excellent chromophoric properties, making it essential for producing vivid and stable colors. This compound is primarily sought by manufacturers in the dye and pigment industries, as well as by research institutions developing advanced colorants and functional materials.

Application

• Primary Intermediate for Anthraquinone Dyes: A crucial building block in the synthesis of acid, disperse, and reactive dyes for textiles, leather, and paper.
• Pigment Manufacturing: Used in the production of high-grade organic pigments for inks, coatings, and plastics requiring excellent lightfastness and thermal stability.
• Specialty Colorants: Serves as a precursor for creating specialized colorants used in electronics, optical data storage, and other high-tech applications.
• Research & Development: Employed in academic and industrial R&D for exploring new chromophores, photoactive materials, and dye-sensitized solar cells (DSSCs).
• Analytical Chemistry: Can be utilized as a standard or reagent in chromatographic analysis and quality control of dye products.

Basic Information

Product Name	1-Amino-9,10-Dihydro-9,10-Dioxo-4-o-Toluidinoanthracene-2-Sulphonic Acid
CAS No.	34114-36-8
Molecular Formula	C21H16N2O5S
Molecular Weight	408.43 g/mol
Synonyms	1-Amino-4-(o-toluidino)anthraquinone-2-sulfonic Acid; 1-Amino-4-(2-methylanilino)-9,10-dihydro-9,10-dioxoanthracene-2-sulfonic Acid; 4-(2-Methylphenyl)amino-1-aminoanthraquinone-2-sulfonic Acid; Anthraquinone Dye Intermediate; C.I. 60710; Disperse Blue 60 Intermediate; Acid Blue 324 Intermediate; 1,4-Diamino-2-sulfoanthraquinone Derivative
EINECS	Contact for details

Quality Control

Our production of 1-Amino-9,10-Dihydro-9,10-Dioxo-4-o-Toluidinoanthracene-2-Sulphonic Acid adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and meet the exacting standards of the dye and pigment industry. Certificates of Analysis (COA) detailing all specifications are provided with each shipment to guarantee traceability and quality assurance.

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 sealed to prevent absorption of atmospheric moisture, which can affect product stability and performance.

Specification

Item	Specification
Appearance	Dark Blue to Violet Powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 5.0%

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