Description

Sodium 2-Amino-5-Ethoxybenzenesulphonate is a specialized organic salt widely used as a key intermediate in the synthesis of dyes and pigments. Its molecular structure provides excellent coupling properties, making it valuable for creating vibrant and stable colorants. This compound is essential for manufacturers in the dye, textile, and specialty chemical industries seeking to produce high-performance azo dyes and other functional materials.

Application

• Primary intermediate in the synthesis of azo dyes and pigments for textiles and inks.
• Key building block for reactive dyes used in cotton and cellulose fiber dyeing.
• Precursor in the manufacture of optical brightening agents and specialty colorants.
• Intermediate for pharmaceutical and agrochemical active ingredients requiring a sulfonated aniline moiety.
• Used in research and development of functional dyes for lasers and electronic applications.
• Component in the formulation of paper dyes and coloring agents.

Basic Information

Product Name	Sodium 2-Amino-5-Ethoxybenzenesulphonate
CAS No.	83949-43-3
Molecular Formula	C8H10NNaO4S
Molecular Weight	239.22 g/mol
Synonyms	2-Amino-5-ethoxybenzenesulfonic Acid Sodium Salt; 5-Ethoxy-2-aminobenzenesulfonic Acid Sodium Salt; Benzenesulfonic acid, 2-amino-5-ethoxy-, sodium salt (1:1); Sodium 5-ethoxy-2-aminobenzenesulfonate; 2-Amino-5-ethoxyphenylsulfonic Acid Sodium Salt; Aniline-2-sulfonic acid, 5-ethoxy-, sodium salt
EINECS	Contact for details

Quality Control

Our Sodium 2-Amino-5-Ethoxybenzenesulphonate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise specifications for use in sensitive synthesis processes. Certificates of Analysis (COA) documenting purity, assay, and impurity profiles are available upon request to support your quality assurance protocols.

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 moisture absorption and degradation.

Specification

Item	Specification
Appearance	Off-white to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition (Sulfated Ash)	Conforms

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