Description

Diethyl(4-Formylphenyl)Phosphonate is a high-value organophosphorus compound featuring both a formyl group and a phosphonate ester, making it a versatile building block in synthetic organic chemistry. Its primary commercial value lies in its role as a key intermediate for the synthesis of complex molecules, particularly in the pharmaceutical and agrochemical sectors. This product is essential for research and development chemists and process engineers working on active pharmaceutical ingredients (APIs), crop protection agents, and advanced materials.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of biologically active molecules, including kinase inhibitors and other targeted therapeutics.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators that require specific phosphonate functionalities.
• Ligand and Catalyst Development: Serves as a starting material for creating novel phosphine-based ligands used in transition metal catalysis (e.g., cross-coupling reactions).
• Material Science Research: Employed in the development of flame retardants, specialty polymers, and functionalized surfaces due to its reactive aldehyde and phosphonate groups.
• Chemical Synthesis Building Block: Facilitates Horner-Wadsworth-Emmons (HWE) olefination reactions to construct carbon-carbon double bonds with high stereoselectivity.
• Academic and Industrial R&D: A valuable reagent for method development and exploring new synthetic pathways in organic chemistry laboratories.

Basic Information

Product Name	Diethyl(4-Formylphenyl)Phosphonate
CAS No.	72436-45-4
Molecular Formula	C11H15O4P
Molecular Weight	242.21 g/mol
Synonyms	Diethyl (4-Formylphenyl)phosphonate; (4-Formylphenyl)phosphonic Acid Diethyl Ester; Diethyl P-Formylphenylphosphonate; 4-(Diethoxyphosphoryl)benzaldehyde; Benzaldehyde, 4-(diethoxyphosphinyl)-; Diethyl 4-Formylbenzylphosphonate; Phosphonic acid, P-(4-formylphenyl)-, diethyl ester
EINECS	Contact for details

Quality Control

Our Diethyl(4-Formylphenyl)Phosphonate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with each shipment and are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. The container should be kept tightly sealed to minimize exposure to moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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