Description

3-Amino-Benzenesulfonic Acid Ethyl Ester is a specialized aromatic sulfonate ester derivative that serves as a key synthetic intermediate. Its value lies in providing a reactive amino group and a sulfonate ester moiety, enabling the construction of complex molecules for advanced applications. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new active ingredients or functional materials.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of novel drug candidates, particularly those targeting specific enzyme pathways.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and plant growth regulators.
• Dye and Pigment Manufacturing: Serves as a precursor for azo dyes and other colorants requiring sulfonated structures for solubility and fastness.
• Polymer Modification: Incorporated to introduce functional sulfonate groups into polymers, enhancing properties like hydrophilicity or ionic character.
• Chemical Research & Development: A versatile reagent for organic synthesis, enabling the study of new reactions and material properties.
• Liquid Crystal and Electronic Material Precursor: Used in the synthesis of specialized organic compounds for electronic applications.

Basic Information

Product Name	3-Amino-Benzenesulfonic Acid Ethyl Ester
CAS No.	1071394-78-9
Molecular Formula	C8H11NO3S
Molecular Weight	201.24 g/mol
Synonyms	Ethyl 3-Aminobenzenesulfonate; m-Aminobenzenesulfonic Acid Ethyl Ester; 3-Aminoethyl Benzenesulfonate; Benzenesulfonic acid, 3-amino-, ethyl ester; Ethyl m-aminobenzenesulfonate
EINECS	Contact for details

Quality Control

Our 3-Amino-Benzenesulfonic Acid Ethyl Ester is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as assay, impurity profile, and physical characteristics. We are committed to meeting the stringent requirements of research and industrial-scale applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Due to its light-sensitive nature, containers should be kept in opaque packaging or amber glass. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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