Description

3-Aminobenzenesulfonic Acid Phenyl Ester is a specialized aromatic sulfonate ester derivative, serving as a versatile intermediate in advanced organic synthesis. Its core value lies in its bifunctional structure, which provides both an amine group and a sulfonate ester linkage for targeted chemical modifications. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical sectors, where it is used to develop active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly sulfonamide-based therapeutics.
• Agrochemical Synthesis: Used in the production of herbicides and pesticides, leveraging its aromatic amine functionality.
• Dye and Pigment Manufacturing: Acts as a precursor for azo dyes and other colorants requiring sulfonated aromatic backbones.
• Polymer Modification: Employed to introduce sulfonate ester groups into polymers to alter solubility or ionic characteristics.
• Chemical Research: A valuable reagent in academic and industrial R&D for exploring new organic reactions and pathways.
• Liquid Crystal & Electronic Materials: Potential intermediate in the synthesis of specialty chemicals for advanced material science applications.

Basic Information

Product Name	3-Aminobenzenesulfonic Acid Phenyl Ester
CAS No.	13653-18-4
Molecular Formula	C12H11NO3S
Molecular Weight	249.29 g/mol
Synonyms	Metanilic Acid Phenyl Ester; Phenyl 3-Aminobenzenesulfonate; 3-Aminophenyl Benzenesulfonate; m-Aminobenzenesulfonic Acid Phenylester; Phenyl Metanilate; Benzenesulfonic Acid, 3-Amino-, Phenyl Ester; Aniline-3-sulfonic Acid Phenyl Ester
EINECS	Contact for details

Quality Control

Our 3-Aminobenzenesulfonic Acid Phenyl Ester is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with key parameters including assay, impurity profile, and physical specifications. Our quality commitment ensures the material meets the high standards required for research and commercial synthesis.

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). Keep away from strong oxidizing agents, strong acids, and strong bases. The compound may be light-sensitive; prolonged exposure to light should be avoided.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
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.