Description

Phosphonic Acid, 1,2-Propadienyl-, Diethyl Ester is a specialized organophosphorus compound, also known as diethyl allenylphosphonate, valued for its unique allenyl functional group which serves as a versatile building block in advanced chemical synthesis. This compound matters for its role as a key intermediate in the production of complex molecules, particularly in pharmaceutical and agrochemical research where precise molecular architecture is critical. It is primarily needed by R&D chemists and process development scientists in the fine chemical, pharmaceutical, and crop protection industries for constructing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those requiring the incorporation of an allenylphosphonate moiety for biological activity.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and plant growth regulators with unique modes of action.
• Ligand and Catalyst Development: Serves as a starting material for creating specialized phosphonate-based ligands used in asymmetric catalysis and transition metal complexes.
• Material Science Research: Employed in the development of flame retardants, polymer modifiers, and other functional materials where phosphorus chemistry is advantageous.
• Organic Synthesis Building Block: Utilized in Horner-Wadsworth-Emmons (HWE) and other olefination reactions to introduce allenyl groups into target molecules.

Basic Information

Product Name	Phosphonic Acid, 1,2-Propadienyl-, Diethyl Ester
CAS No.	1609-72-9
Molecular Formula	C7H13O3P
Molecular Weight	176.15 g/mol
Synonyms	Diethyl allenylphosphonate; Diethyl (1,2-propadienyl)phosphonate; Allenylphosphonic acid diethyl ester; 1,2-Propadienylphosphonic acid diethyl ester; Diethyl 2,3-propadienylphosphonate; Phosphonic acid, P-(1,2-propadienyl)-, diethyl ester; Allenyl diethyl phosphonate
EINECS	Contact for details

Quality Control

Our Phosphonic Acid, 1,2-Propadienyl-, Diethyl Ester is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical parameters. Our quality commitment aligns with cGMP principles where applicable, ensuring reliability for your most demanding research and development projects.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Recommended storage temperature is between 2°C and 8°C (refrigerated) for long-term stability, although short-term storage at controlled room temperature (15-25°C) is acceptable. Keep container tightly sealed when not in use to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Purity (HPLC)	≥ 97.0%
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.