Description

3-Phenylethynyl-Benzaldehyde is a high-purity aromatic aldehyde building block featuring a terminal alkyne group. This bifunctional structure makes it a valuable intermediate for synthesizing complex organic molecules via cross-coupling and click chemistry reactions. It is primarily sought after by research institutions and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors for developing new active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in oncology and CNS research.
• Agrochemical Synthesis: Used in creating advanced pesticides and herbicides with targeted activity.
• Material Science: Serves as a monomer or cross-linker in the production of specialty polymers, liquid crystals, and OLED materials.
• Chemical Research: Essential reagent in academic and industrial R&D for exploring new catalytic cycles and organic transformations.
• Ligand Synthesis: Precursor for creating sophisticated ligands used in homogeneous catalysis.
• Fluorescent Probe Development: Used in the design and synthesis of molecular probes for bioimaging and sensing applications.

Basic Information

Product Name	3-Phenylethynyl-Benzaldehyde
CAS No.	115021-39-1
Molecular Formula	C15H10O
Molecular Weight	206.24 g/mol
Synonyms	3-(Phenylethynyl)benzaldehyde; m-(Phenylethynyl)benzaldehyde; Benzaldehyde, 3-(2-phenylethynyl)-; 3-Ethynylbenzophenone (common misnomer); 3-(Phenylethynyl)benzenecarboxaldehyde; 1-Formyl-3-(phenylethynyl)benzene; 3-(Phenylacetylene)benzaldehyde
EINECS	Contact for details

Quality Control

Our 3-Phenylethynyl-Benzaldehyde is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and FTIR, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with every shipment, confirming compliance with agreed specifications. Our quality system supports development from milligram to kilogram scale with full traceability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This compound is easily oxidized (store under inert atmosphere) and is light-sensitive (store away from light). Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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