Description

3-Amino-Benzenesulfonic Acid Isopropyl Ester is a specialized aromatic sulfonate ester derivative, serving as a valuable intermediate in advanced organic synthesis. Its core value lies in providing a functionalized aniline moiety with a sulfonyl ester group, enabling precise molecular construction for performance chemicals. This compound is essential for research chemists and process developers in the pharmaceutical, agrochemical, and specialty dye industries seeking to create novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel sulfonamide-based drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the development of new-generation herbicides, fungicides, and plant growth regulators.
• Dye and Pigment Manufacturing: Intermediate for producing specialized azo dyes and pigments with enhanced color fastness and solubility properties.
• Polymer Chemistry: Monomer or modifier for creating functional polymers with specific sulfonate groups for ion-exchange or hydrophilic applications.
• Chemical Research: Versatile reagent in academic and industrial R&D for exploring new reaction pathways and creating complex organic molecules.
• Liquid Crystal & Electronic Materials: Potential precursor for synthesizing components used in display technologies and organic semiconductors.

Basic Information

Product Name	3-Amino-Benzenesulfonic Acid Isopropyl Ester
CAS No.	1071289-79-6
Molecular Formula	C9H13NO3S
Molecular Weight	215.27 g/mol
Synonyms	m-Aminobenzenesulfonic Acid Isopropyl Ester; Isopropyl 3-Aminobenzenesulfonate; 3-Aminophenyl Sulfonate Isopropyl Ester; Benzenesulfonic Acid, 3-Amino-, 1-Methylethyl Ester; Isopropyl m-Aminobenzenesulfonate; 3-Amino-1-propanesulfonic Acid Isopropyl Ester (common misnomer); Isopropyl 3-Aminophenylsulfonate
EINECS	Contact for details

Quality Control

Our 3-Amino-Benzenesulfonic Acid Isopropyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy, to ensure it meets precise customer specifications and industry standards. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases. For long-term storage, consider an inert atmosphere to maximize shelf-life stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Standard Grade)
Melting Point	Contact for details
Loss on Drying	≤ 1.0 %
Residue on Ignition	≤ 0.1 %
Heavy Metals (as Pb)	≤ 20 ppm

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