Description

1,2-Bis(Diethoxyphosphinyl)Ethyne is a specialized organophosphorus compound featuring a central acetylene unit symmetrically substituted with diethoxyphosphinyl groups. This unique structure makes it a valuable building block in advanced organic synthesis, particularly for constructing complex phosphorus-containing molecular architectures. It is primarily utilized by research chemists and process development scientists in the pharmaceutical, agrochemical, and materials science industries for applications such as ligand synthesis and the creation of novel flame retardants.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, particularly those targeting enzyme inhibition.
• Agrochemical Synthesis: Used in the development of advanced pesticides and herbicides, leveraging its phosphorus-acetylene backbone.
• Ligand Precursor: Acts as a starting material for the preparation of specialized phosphine ligands used in catalysis (e.g., cross-coupling reactions).
• Flame Retardant Development: Incorporated into polymer backbones or as an additive to enhance flame-retardant properties in materials.
• Material Science Research: Employed in the creation of novel organophosphorus polymers and functional materials.
• Academic & Industrial R&D: A versatile reagent for exploring new synthetic methodologies and reaction pathways in organic chemistry.

Basic Information

Product Name	1,2-Bis(Diethoxyphosphinyl)Ethyne
CAS No.	4851-53-0
Molecular Formula	C10H20O4P2
Molecular Weight	266.21 g/mol
Synonyms	Diethyl (Ethynylene)bis(phosphonate); Ethyne-1,2-diylbis(diethyl phosphonate); 1,2-Bis(diethoxyphosphoryl)acetylene; Diethyl Ethynylidenebis(phosphonate); Acetylenediphosphonic Acid Tetraethyl Ester; Tetraethyl Acetylenediphosphonate; Tetraethyl Ethynylidenediphosphonate; (Ethyn-1,2-diyl)bis(diethyl phosphonate)
EINECS	225-458-6

Quality Control

Our 1,2-Bis(Diethoxyphosphinyl)Ethyne is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including NMR, HPLC, and GC to verify identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment. Our quality management system is designed to meet the rigorous demands of research and industrial-scale synthesis.

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 for long-term stability. Keep container tightly sealed in a dry environment to minimize moisture absorption.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
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.