Description

3-n-Ethyl-Aminophenyl(β-Sulfatoethyl)Sulfone is a specialized reactive intermediate primarily used in the synthesis of high-performance dyes and pigments. Its molecular structure, featuring both an ethylamino group and a sulfatoethyl sulfone moiety, makes it a critical building block for creating vibrant and wash-fast colorants. This compound is essential for manufacturers in the textile, ink, and specialty chemical industries seeking to develop advanced coloring agents with superior properties. Consistent quality and reliable supply of this intermediate are paramount for ensuring batch-to-batch reproducibility in final products.

Application

• Reactive Dye Synthesis: A key precursor for manufacturing fiber-reactive dyes, particularly for cellulose fibers like cotton, providing excellent wash and light fastness.
• Textile Printing Inks: Used in the production of inks for digital and screen printing on textiles, offering bright colors and strong covalent bonds with the fabric.
• Pigment Manufacturing: Serves as an intermediate in the synthesis of high-grade organic pigments used in plastics, coatings, and automotive finishes.
• Specialty Chemical Intermediate: Employed in organic synthesis for creating more complex molecules with specific sulfone and amino functionalities for research and development.
• Leather Dyeing: Used in the formulation of dyes for leather goods, ensuring deep, penetrating, and durable coloration.
• Paper Coloring: A component in the synthesis of dyes for high-quality paper and packaging materials.

Basic Information

Item	Details
Product Name	3-n-Ethyl-Aminophenyl(β-Sulfatoethyl)Sulfone
CAS No.	83574-63-4
Molecular Formula	C10H15NO6S2
Molecular Weight	309.36 g/mol
Synonyms	3-[(2-Sulfatoethyl)sulfonyl]-N-ethylaniline; 2-[(3-Ethylaminophenyl)sulfonyl]ethyl Hydrogen Sulfate; 3-Amino-N-ethylbenzenesulfonatoethylsulfone; Reactive Dye Intermediate EAS; β-Sulfatoethylsulfonyl Ethyl Aniline; EASE; 3-Ethylaminophenyl-β-sulfatoethyl sulfone
EINECS	Contact for details

Quality Control

Our production of 3-n-Ethyl-Aminophenyl(β-Sulfatoethyl)Sulfone adheres to stringent quality management protocols to ensure high purity and consistency for industrial applications. Every batch is analyzed using advanced techniques including HPLC and titration to verify critical parameters such as assay and impurity profiles. Certificates of Analysis (COA) documenting these results are available upon request to support your quality assurance and regulatory compliance needs.

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 tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light brown powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Moisture (KF Titration)	≤ 2.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Solubility	Soluble in water, DMF

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