Description

2 - [2 - (4 - Methyl Phenyl) Ethinyl] Benzaldehyde CAS NO 189008-33-1 is a specialized organic building block featuring a benzaldehyde core substituted with a 4-methylphenyl ethynyl group. This compound is valued for its unique conjugated structure, which makes it a versatile intermediate in advanced synthetic chemistry. It is primarily sought after by research and development teams in the pharmaceutical and advanced materials sectors for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those targeting central nervous system (CNS) disorders.
• Liquid Crystal & OLED Material Synthesis: Serves as a core building block for creating advanced organic electronic materials used in displays and lighting.
• Agrochemical Research: Used in the development of new generation herbicides and fungicides with enhanced efficacy.
• Academic & Industrial R&D: Employed in methodological studies and as a starting material for novel ligand and catalyst development in cross-coupling reactions.
• Fine Chemical Production: Integral to the multi-step synthesis of dyes, pigments, and other high-value specialty chemicals.

Basic Information

Product Name	2 - [2 - (4 - Methyl Phenyl) Ethinyl] Benzaldehyde
CAS No.	189008-33-1
Molecular Formula	C₁₇H₁₂O
Molecular Weight	232.28 g/mol
Synonyms	2-[(4-Methylphenyl)ethynyl]benzaldehyde; 2-(p-Tolylethynyl)benzaldehyde; 2-[(4-Methylphenyl)ethynyl]benzenecarboxaldehyde; 2-(4-Methylphenylethynyl)benzaldehyde; Benzaldehyde, 2-[2-(4-methylphenyl)ethynyl]- (IUPAC); 189008-33-1; 2-(4-Methylphenylethinyl)benzaldehyde
EINECS	Contact for details

Quality Control

Our 2 - [2 - (4 - Methyl Phenyl) Ethinyl] Benzaldehyde is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, impurities, and physical characteristics is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry place at a controlled room temperature (15-25°C). This material is light-sensitive and easily oxidized; prolonged exposure to air or light should be avoided to maintain stability and purity.

Specification

Item	Specification
Appearance	Off-white to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%

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