Description

3-((4-Aminophenyl)Ethynyl)Aniline is a specialized aromatic amine derivative featuring a conjugated ethynyl bridge between two aniline rings. This compound matters as a high-value pharmaceutical intermediate and organic building block for synthesizing advanced materials. It is primarily needed by manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries for creating complex molecules with specific electronic and structural properties.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds targeting specific receptors or requiring a rigid, linear molecular scaffold.
• Agrochemical Synthesis: Used as a building block for developing novel herbicides, fungicides, and plant growth regulators that benefit from its aromatic amine functionality.
• Organic Electronic Materials: Serves as a monomer or dopant in the production of conductive polymers, organic light-emitting diodes (OLEDs), and other electronic materials due to its conjugated system.
• Dye and Pigment Manufacturing: Intermediate for synthesizing advanced azo dyes, pigments, and colorants requiring enhanced thermal stability and color fastness.
• Cross-coupling Reactions: Valuable substrate in Sonogashira, Suzuki, and other palladium-catalyzed cross-coupling reactions to construct complex biaryl and polyaryl structures.
• Research & Development: Used in academic and industrial R&D for exploring new synthetic methodologies and developing novel chemical entities.
• Liquid Crystal and Polymer Additive: Potential component in the synthesis of liquid crystal displays (LCDs) and as a curing agent or chain extender in high-performance polymers.

Basic Information

Item	Details
Product Name	3-((4-Aminophenyl)Ethynyl)Aniline
CAS No.	85765-60-2
Molecular Formula	C14H12N2
Molecular Weight	208.26 g/mol
Synonyms	4-[(3-Aminophenyl)ethynyl]aniline; 1-Amino-3-[(4-aminophenyl)ethynyl]benzene; 3-[(4-Aminophenyl)ethynyl]benzenamine; m-[(p-Aminophenyl)ethynyl]aniline; Bis(4-aminophenyl)acetylene (common misnomer, structurally related); 3-(4-Aminophenylethynyl)aniline; 4-(3-Aminophenylethynyl)aniline; N,N'-Bis(4-aminophenyl)acetylene (incorrect but frequently searched)
EINECS	Contact for details

Quality Control

Our 3-((4-Aminophenyl)Ethynyl)Aniline is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for use as a pharmaceutical intermediate. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance and regulatory compliance.

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, prolonged exposure to light should be avoided to prevent decomposition.

Specification

Item	Specification
Appearance	Yellow to brown powder or crystals
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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