Description

2-(Triphenylphosphoranylidene)Propionaldehyde is a specialized Wittig reagent, a key organophosphorus compound used in synthetic organic chemistry. Its primary value lies in its ability to facilitate the stereoselective synthesis of α,β-unsaturated aldehydes, a crucial step in constructing complex molecular frameworks. This reagent is essential for researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials industries, where precise carbon-carbon bond formation is required.

Application

• Pharmaceutical Intermediate Synthesis: A critical reagent for constructing key aldehyde-containing intermediates in drug discovery and development, particularly for anticancer and antiviral agents.
• Agrochemical Production: Used in the synthesis of active ingredients and fine chemicals for crop protection products.
• Material Science Research: Employed in the creation of novel organic molecules for organic light-emitting diodes (OLEDs) and other functional materials.
• Academic & R&D Laboratories: A staple Wittig reagent for teaching and exploring new synthetic methodologies in organic chemistry.
• Flavor & Fragrance Chemistry: Facilitates the synthesis of specific unsaturated aldehydes used in creating complex aroma compounds.
• Fine Chemical Manufacturing: Enables the production of custom, high-value specialty chemicals for various industrial applications.

Basic Information

Product Name	2-(Triphenylphosphoranylidene)Propionaldehyde
CAS No.	24720-64-7
Molecular Formula	C21H19OP
Molecular Weight	318.35 g/mol
Synonyms	(Triphenylphosphoranylidene)propionaldehyde; 2-(Triphenyl-λ5-phosphanylidene)propanal; Propionaldehyde, 2-(triphenylphosphoranylidene)-; (2-Oxoethylidene)triphenylphosphorane; Wittig Reagent for Acrolein; Triphenyl(2-oxoethylidene)phosphorane; 2-(Triphenylphosphanylidene)propanal
EINECS	Contact for details

Quality Control

Every batch of 2-(Triphenylphosphoranylidene)Propionaldehyde is produced and tested under strict quality management protocols to ensure consistency and reliability for sensitive synthetic applications. Our products undergo rigorous quality testing, including chromatographic purity analysis and functional performance validation. Certificates of Analysis (COA) detailing purity, identity, and other critical parameters are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at 2-8°C in a cool, dry place. This compound is hygroscopic (moisture-sensitive) and easily oxidized; prolonged exposure to air, moisture, or elevated temperatures should be avoided to maintain reagent integrity.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%

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