Description

Toluene-4-Sulfonic Acid 2-Amino-Phenyl Ester is a specialized aromatic sulfonate ester derivative, valued for its role as a versatile chemical intermediate and protecting group precursor. Its molecular structure, featuring both an amino group and a sulfonate ester linkage, makes it a critical building block in advanced organic synthesis. This compound is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for developing active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of complex drug molecules, particularly those requiring sulfonamide or protected aniline functionalities.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and insecticides where its aromatic amine group is incorporated into the active compound.
• Dye and Pigment Manufacturing: Acts as an intermediate in the creation of azo dyes and other colorants, leveraging the reactivity of its amino group.
• Polymer Chemistry: Employed in the synthesis of specialty polymers and resins, where it can function as a monomer or a cross-linking agent.
• Chemical Research & Development: Utilized in academic and industrial R&D labs for method development and as a model compound in reaction studies.
• Photographic Chemicals: Can be used in the synthesis of certain compounds employed in photographic development processes.

Basic Information

Product Name	Toluene-4-Sulfonic Acid 2-Amino-Phenyl Ester
CAS No.	1216-96-2
Molecular Formula	C₁₃H₁₃NO₃S
Molecular Weight	263.31 g/mol
Synonyms	2-Aminophenyl p-toluenesulfonate; 4-Methylbenzenesulfonic acid 2-aminophenyl ester; o-Aminophenyl tosylate; 2-Aminophenol tosylate; Tosic acid 2-aminophenyl ester; p-Toluenesulfonic acid 2-aminophenyl ester; (2-Aminophenyl) 4-methylbenzenesulfonate; 2-Tosyloxyaniline
EINECS	214-935-5

Quality Control

Our Toluene-4-Sulfonic Acid 2-Amino-Phenyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, impurity profile, and physical characteristics. Our quality commitment ensures the material meets the stringent requirements for research and industrial synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be opaque or stored in dark conditions.

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	≤ 20 ppm

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