Description

3-Ethynylaniline Hydrochloride is a versatile organic building block featuring both an aniline and a terminal alkyne functional group. This unique structure makes it a critical intermediate for the synthesis of complex molecules, particularly in advanced pharmaceutical and materials research. It is essential for chemists developing active pharmaceutical ingredients (APIs), agrochemicals, and specialty polymers. The product is supplied as the hydrochloride salt to enhance its stability and handling properties.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, especially for targeted therapies.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides.
• Material Science: Serves as a monomer or cross-linking agent in the production of conductive polymers and advanced resins.
• Chemical Research: Fundamental reagent in Sonogashira coupling and other palladium-catalyzed cross-coupling reactions.
• Ligand Synthesis: Precursor for creating specialized ligands used in catalysis and coordination chemistry.
• Fluorescent Probe Development: Used in the design of molecular probes and sensors for biological imaging.

Basic Information

Product Name	3-Ethynylaniline Hydrochloride
CAS No.	207226-02-6
Molecular Formula	C8H8ClN
Molecular Weight	153.61 g/mol
Synonyms	3-Aminophenylacetylene Hydrochloride; 1-Amino-3-ethynylbenzene Hydrochloride; m-Ethynylaniline Hydrochloride; 3-Ethynylbenzenamine Hydrochloride; 3-(Amino)phenylacetylene HCl; 3-Aminophenylethyne Hydrochloride
EINECS	Contact for details

Quality Control

Our 3-Ethynylaniline Hydrochloride is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) with key parameters including assay, impurity profile, and residual solvent content. Our quality commitment supports applications in regulated research and development environments.

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). This material is hygroscopic (moisture-sensitive) and light-sensitive; containers must be kept tightly sealed to minimize exposure to air and moisture.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

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