Description

Benzenesulfonic Acid, 5-Amino-2-[ (2-Ethoxyphenyl)Amino]- is a specialized aromatic sulfonic acid derivative that serves as a crucial intermediate in advanced organic synthesis. Its value lies in its unique molecular structure, which combines amino and ethoxyphenyl functionalities, making it a versatile building block for creating complex molecules. This compound is primarily needed by the pharmaceutical and agrochemical industries for the research and development of new active ingredients, as well as by fine chemical manufacturers producing dyes and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting specific receptor sites.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and plant growth regulators.
• Dye and Pigment Manufacturing: Serves as a core component for producing azo dyes and other complex colorants.
• Research & Development: Essential building block in academic and industrial R&D for exploring new chemical entities and reaction pathways.
• Fine Chemical Production: Intermediate for manufacturing specialty chemicals used in electronics and material science.

Basic Information

Product Name	Benzenesulfonic Acid, 5-Amino-2-[ (2-Ethoxyphenyl)Amino]-
CAS No.	135-05-7
Molecular Formula	C14H16N2O3S
Molecular Weight	292.35 g/mol
Synonyms	5-Amino-2-[(2-ethoxyphenyl)amino]benzenesulfonic acid; 2-[(2-Ethoxyphenyl)amino]-5-aminobenzenesulfonic acid; 4-Amino-4'-(2-ethoxy)aminodiphenylamine-2-sulfonic acid; Fast Blue BB Base; Azoic Diazo Component 48; C.I. 37235; Benzenesulfonic acid, 5-amino-2-((2-ethoxyphenyl)amino)-
EINECS	Contact for details

Quality Control

Our Benzenesulfonic Acid, 5-Amino-2-[ (2-Ethoxyphenyl)Amino]- is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC and spectroscopic methods, to ensure high purity and consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	Light brown to gray powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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