Description

1,3,5-Tris(Pyridin-3-Ylethynyl)Benzene is a high-purity, conjugated organic building block characterized by its rigid, star-shaped molecular architecture. This compound is valued for its excellent electron-accepting properties and ability to form extended π-conjugated systems, making it a critical material for advanced electronic and photonic applications. It is primarily sought by researchers and manufacturers in the fields of organic semiconductors, light-emitting devices, and sensor technology.

Application

• Organic Electronics: Key building block for organic semiconductors, field-effect transistors (OFETs), and photovoltaic cells.
• Light-Emitting Diodes (OLEDs/PLEDs): Used as an electron-transport material or host in emissive layers.
• Chemical Sensing: Serves as a core structure for fluorescent chemosensors due to its tunable photophysical properties.
• Coordination Polymers & MOFs: Acts as a multi-dentate ligand for constructing metal-organic frameworks with specific porosity and functionality.
• Nonlinear Optical Materials: Investigated for applications requiring high second- or third-order nonlinear optical responses.
• Academic & Industrial R&D: A versatile intermediate for synthesizing more complex conjugated molecules and polymers.

Basic Information

Product Name	1,3,5-Tris(Pyridin-3-Ylethynyl)Benzene
CAS No.	1118753-42-6
Molecular Formula	C33H18N3
Molecular Weight	456.52 g/mol
Synonyms	1,3,5-Tris(3-pyridylethynyl)benzene; 1,3,5-Tris[(3-pyridinyl)ethynyl]benzene; 3,3',3''-(Benzene-1,3,5-triyltriethyne-3,1-diyl)tripyridine; TPEB; Tris(3-ethynylpyridyl)benzene; Star-shaped pyridine-based ligand; Conjugated tri-pyridyl benzene derivative
EINECS	Contact for details

Quality Control

Our 1,3,5-Tris(Pyridin-3-Ylethynyl)Benzene is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity, suitable for demanding research and development applications. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We adhere to relevant industry standards, and specifications can be tailored to meet specific project requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and should be handled in a dry environment to prevent degradation.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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