Description

Sodium 1-Amino-4-[(2-Ethenylsulfonylphenyl)Amino]-9,10-Dioxo-Anthracen E-2-Sulfonate is a high-purity, water-soluble anthraquinone derivative primarily used as a reactive dye intermediate. This compound is valued for its ability to impart vibrant and durable colors with excellent light and wash fastness properties in textile applications. It is a critical raw material for manufacturers of reactive dyes targeting the global textile, leather, and specialty ink industries.

Application

• Reactive Dye Synthesis: A key intermediate for manufacturing high-performance reactive dyes for cellulose fibers like cotton, viscose, and linen.
• Textile Dyeing and Printing: Used in formulations for dyeing and printing processes that require strong covalent bonds between the dye and the fabric.
• Leather Coloring: Employed in the production of dyes for coloring leather goods, offering good penetration and color fastness.
• Inkjet Inks: Serves as a colorant precursor in the formulation of specialty inks for digital textile printing.
• Paper Dyeing: Can be used in the production of dyes for high-quality, colored paper products.
• Research & Development: Utilized in chemical research for developing new chromophores and studying dye-substrate interactions.

Basic Information

Product Name	Sodium 1-Amino-4-[(2-Ethenylsulfonylphenyl)Amino]-9,10-Dioxo-Anthracen E-2-Sulfonate
CAS No.	34293-80-6
Molecular Formula	C22H15N2NaO8S2
Molecular Weight	522.48 g/mol
Synonyms	Reactive Blue 198 (Parent Dye); Sodium 1-amino-4-[(2-vinylsulfonylphenyl)amino]-9,10-dioxo-9,10-dihydroanthracene-2-sulfonate; C.I. Reactive Blue 198 intermediate; Anthraquinone blue intermediate; 1-Amino-4-[(2-ethenylsulfonylphenyl)amino]-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid sodium salt; Vinylsulfone reactive dye intermediate; Sodium 2-[(9,10-dioxo-4-[(2-vinylsulfonylphenyl)amino]-1-anthryl)amino]ethanesulfonate (alternative representation)
EINECS	Contact for details

Quality Control

Our production of Sodium 1-Amino-4-[(2-Ethenylsulfonylphenyl)Amino]-9,10-Dioxo-Anthracen E-2-Sulfonate 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 industry specifications. Certificates of Analysis (COA) detailing 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). This material is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality and performance.

Specification

Item	Specification
Appearance	Dark blue to violet powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Moisture Content	≤ 5.0%
Water Solubility	Completely soluble
Heavy Metals (as Pb)	≤ 20 ppm

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