Description

1-Amino-4-[[4-(Ethenylsulfonyl)Phenyl]Amino]-9,10-Dihydro-9,10-Dioxo-2-Anthracenesulfonic Acid is a high-purity, reactive dye intermediate belonging to the anthraquinone chemical class. This compound is critical for synthesizing high-performance, wash-fast dyes and pigments, particularly reactive dyes used in textile coloration. It is primarily required by manufacturers in the textile, specialty chemical, and advanced materials industries for producing vibrant and durable colorants.

Application

• Primary Intermediate for Reactive Dyes: A key building block in the synthesis of vinyl sulfone-based reactive dyes for cotton, wool, and nylon fibers.
• Textile Industry: Used to manufacture dyes that offer excellent color yield, brightness, and superior wet-fastness properties.
• Specialty Pigments: Serves as a precursor for creating high-stability pigments used in inks, coatings, and plastics.
• Research & Development: Employed in chemical R&D for developing novel chromophores and functional dyes with specific optical properties.
• Fine Chemical Synthesis: Utilized as a specialized intermediate in the multi-step synthesis of complex organic molecules.

Basic Information

Product Name	1-Amino-4-[[4-(Ethenylsulfonyl)Phenyl]Amino]-9,10-Dihydro-9,10-Dioxo-2-Anthracenesulfonic Acid
CAS No.	62669-67-4
Molecular Formula	C22H16N2O7S2
Molecular Weight	484.50 g/mol
Synonyms	1-Amino-4-[(4-ethenylsulfonylphenyl)amino]-9,10-dihydro-9,10-dioxoanthracene-2-sulfonic acid; Reactive Blue 19 Intermediate; Anthraquinone Blue Intermediate; C.I. Reactive Blue 19 precursor; 2-Anthracenesulfonic acid, 1-amino-4-[[4-(ethenylsulfonyl)phenyl]amino]-9,10-dihydro-9,10-dioxo-; Vinylsulfone anthraquinone dye intermediate; Remazol Brilliant Blue R intermediate
EINECS	Contact for details

Quality Control

Our production of 1-Amino-4-[[4-(Ethenylsulfonyl)Phenyl]Amino]-9,10-Dihydro-9,10-Dioxo-2-Anthracenesulfonic Acid 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 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). Keep away from heat sources and incompatible materials. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Dark blue to violet powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Moisture Content	≤ 5.0%
Solubility	Soluble in alkaline water, DMF, DMSO

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