Description

1-Amino-4-[(3,4-Dimethylphenyl)Amino]-9,10-Dihydro-9,10-Dioxo-2-Anthracenesulfonic Acid Sodium Salt is a high-purity, water-soluble anthraquinone derivative valued for its role as a key intermediate in the synthesis of specialized dyes and pigments. This compound matters for its ability to impart specific color properties and functional characteristics in advanced material science applications. It is primarily needed by manufacturers in the dye and pigment industry, as well as by research institutions developing novel functional materials.

Application

• Primary Intermediate for Anthraquinone Dyes: A critical building block in the synthesis of high-performance, solvent, and disperse dyes.
• Functional Dye Manufacturing: Used in the production of dyes for specialized applications, including liquid crystal displays (LCDs) and electronic materials.
• Pigment Synthesis: Serves as a precursor for creating organic pigments with excellent color fastness and thermal stability.
• Research & Development: Employed in academic and industrial R&D for developing new chromophores and photoactive compounds.
• Textile Dyeing: Used in the manufacture of dyes for synthetic fibers like polyester and nylon.
• Ink Formulations: A component in the synthesis of colorants for high-quality printing inks.

Basic Information

Product Name	1-Amino-4-[(3,4-Dimethylphenyl)Amino]-9,10-Dihydro-9,10-Dioxo-2-Anthracenesulfonic Acid Sodium Salt
CAS No.	71550-18-0
Molecular Formula	C22H17N2O6SNa
Molecular Weight	460.44 g/mol
Synonyms	1-Amino-4-(3,4-dimethylanilino)anthraquinone-2-sulfonic acid sodium salt; Sodium 1-amino-4-[(3,4-dimethylphenyl)amino]-9,10-dihydro-9,10-dioxo-2-anthracenesulfonate; 1-Amino-4-(3,4-dimethylphenylamino)anthraquinone-2-sulfonic acid sodium salt; C.I. Solvent Blue 36 intermediate; Anthraquinone blue intermediate; 71550-18-0; 1-Amino-4-(3,4-xylidino)anthraquinone-2-sulfonic acid sodium salt
EINECS	Contact for details

Quality Control

Our production of 1-Amino-4-[(3,4-Dimethylphenyl)Amino]-9,10-Dihydro-9,10-Dioxo-2-Anthracenesulfonic Acid Sodium Salt 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) documenting all critical parameters are available upon request.

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 tightly sealed after each use to prevent moisture absorption.

Specification

Item	Specification
Appearance	Dark blue to violet powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 1.0%
Solubility (1% in Water)	Clear, blue solution

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