Description

2-Amino-5-Ethoxybenzenesulphonic Acid is a key aromatic sulfonic acid derivative, serving as a versatile intermediate in advanced organic synthesis. Its value lies in its bifunctional nature, combining a reactive amino group with a stable sulfonic acid moiety, enabling the creation of complex molecules with tailored properties. This compound is essential for manufacturers in the dye, pigment, and pharmaceutical industries seeking to develop specialized products.

Application

• Primary intermediate in the synthesis of azo dyes and pigments, particularly for textiles and inks.
• Key building block for pharmaceutical active ingredients (APIs) and fine chemicals.
• Used in the production of liquid crystal materials and other advanced electronic chemicals.
• Intermediate for corrosion inhibitors and specialty surfactants.
• Research and development of novel photographic chemicals and functional polymers.
• Starting material for agrochemicals and other performance chemicals.

Basic Information

Item	Detail
Product Name	2-Amino-5-Ethoxybenzenesulphonic Acid
CAS No.	6448-82-4
Molecular Formula	C8H11NO4S
Molecular Weight	217.24 g/mol
Synonyms	5-Ethoxy-2-aminobenzenesulfonic Acid; 2-Amino-5-ethoxybenzenesulfonic Acid; 5-Ethoxyanthranilic-2-sulfonic Acid; 3-Amino-4-ethoxybenzenesulfonic Acid; 4-Ethoxy-2-aminobenzenesulfonic Acid; 2-Amino-5-ethoxy-1-benzenesulfonic Acid; 5-Ethoxy-2-sulfoaniline; 2-Amino-5-ethoxybenzene-1-sulfonic Acid
EINECS	229-244-3

Quality Control

Our 2-Amino-5-Ethoxybenzenesulphonic Acid is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets the required specifications for identity, purity, and impurity profiles. Certificates of Analysis (COA) are provided with each shipment, and we support compliance with global regulatory frameworks including REACH.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent absorption of atmospheric moisture.

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%
Residue on Ignition (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.