Description

1-Amino-4-(4-Aminoanilino)-9,10-Dihydro-9,10-Dioxoanthracene-2-Sulphonic Acid is a high-purity, specialized anthraquinone derivative with a disubstituted amino-sulfonic acid structure. This compound is a critical key intermediate in the synthesis of high-performance dyes and functional pigments, valued for its ability to impart specific color and fastness properties. It is primarily required by manufacturers in the textile, ink, and specialty chemical industries for producing vibrant and durable colorants.

Application

• Primary Intermediate for Anthraquinone Dyes: Essential for synthesizing acid dyes, disperse dyes, and vat dyes used in textile coloring.
• Functional Pigment Manufacturing: Serves as a key precursor for creating high-grade pigments for inks, coatings, and plastics.
• Research & Development: Used in organic synthesis and material science for developing novel chromophores and functional molecules.
• Specialty Chemical Synthesis: Employed in the production of photoactive compounds and other advanced chemical products.

Basic Information

Item	Details
Product Name	1-Amino-4-(4-Aminoanilino)-9,10-Dihydro-9,10-Dioxoanthracene-2-Sulphonic Acid
CAS No.	6222-65-7
Molecular Formula	C20H15N3O5S
Molecular Weight	409.41 g/mol
Synonyms	1-Amino-4-(4-aminophenylamino)anthraquinone-2-sulfonic acid; 1,4-Bis(4-aminophenylamino)anthraquinone-2-sulfonic acid (related); Acid Blue 324 Intermediate; C.I. 62105; Disperse Blue 106 Intermediate; 1,4-Diamino-2-sulfoanthraquinone derivative; 2-Anthracenesulfonic acid, 1-amino-4-[(4-aminophenyl)amino]-9,10-dihydro-9,10-dioxo-
EINECS	Contact for details

Quality Control

Our production of 1-Amino-4-(4-Aminoanilino)-9,10-Dihydro-9,10-Dioxoanthracene-2-Sulphonic 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 benchmarks. Certificates of Analysis (COA) documenting all critical parameters are 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 room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Dark blue to violet powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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